LTA Data Mall API User Guide

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LTA DataMall | API User Guide & Documentation
Version 4.9 (11 Feb 2019)
DataMall @
an LTA Open Data Initiative
API User Guide
& Documentation
Version 4.9
11 February 2019
Document Change Log
LTA DataMall | API User Guide & Documentation
Version 4.9 (11 Feb 2019)
1
Version
No.
Change Details
Release Date
1.1
First release of document, reflecting specifications for each dataset.
04 Jun 2014
1.2
Amended attributes for all datasets, and added the update frequency for
each dataset in specification section.
15 Jun 2014
1.3
Inserted notes to denote fields that are new and upcoming; not yet
available on the data feed.
26 Jun 2014
1.4
Minor revisions (typo errors).
10 Mar 2015
1.5
Revisions to names of datasets, and removed listing for certain attributes
that are redundant at this point.
07 Apr 2015
2.0
Revised document for newly revamped DataMall.
- New Categorisation of Datasets
- Moved Park & Ride Location, Premium Bus Service, and Carpark Rates
to Static Datasets listed on MyTransport.SG.
13 Apr 2015
2.1
Corrected reference notes for Carpark Availability and ERP Rates.
14 Apr 2015
2.2
2.2.1
Added Bus Arrival, and Taxi Availability APIs
Amended Update Freqs for Bus Arrival and Taxi Availability
19 Apr 2015
03 Jun 2015
3.0
Bus Arrival API is now enhanced! Latest *beta* release includes:
- Additional 3rd set of ETA information
- Estimated location (coordinates) of buses
Look out for blue-highlights!
12 Dec 2015
3.1
Public-Transport (Bus) Related APIs are enhanced (version 2)!
- Bus Services and Bus Routes are now consolidated across
Operators, e.g. SBST routes and SMRT routes in 1 single API
- Attributes are renamed to be more meaningful
- Bus Stops now include location (lat/long) coordinates
Bug for Bus Arrival #VisitNumber fixed.
08 Mar 2016
3.2
Changes to Traffic Related APIs:
- URLs changed to point to version 2 of the APIs.
- VCCType renamed to VehicleType (ERP Rates)
- EstimatedTime renamed to EstTime (Estimated Travel Times)
- RoadID renamed to EventID (Road Openings and Road Works)
- ImageURL renamed to ImageLink (Traffic Images)
- Band renamed to SpeedBand (Traffic Speed Bands)
31 Mar 2016
3.3
Changes to API Response Size:
- Taxi Availability API now returns 500 records per call.
- Traffic Images API now returns 70 records per call.
- Changes are reflected on Page 6, and on respective API URLs.
08 Aug 2016
3.4
Changes to API authentication – now requiring only AccountKey.
01 Nov 2016
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3.5
Updated attribute description for location coordinates of Bus Arrival
API.
23 Nov 2016
3.6
Traffic Images API now returns all records per call.
14 Dec 2016
3.7
Updated guide to making API calls, using Postman.
05 Apr 2017
4.0
Bus Arrival API is now enhanced! Latest release includes:
- New Attribute – Bus Type
- Inclusion of Short Working Trip (SWT) Supplementary Services
- Relegation of OriginCode and DestinationCode to vehicle level
- Removal of entire response structure from API during non-
operating hours
- Removal of Status Attribute
- Renaming of values for Load Attribute
- Renaming of SubsequentBus and SubsequentBus3 subset tags
- Renaming of BusStopID Parameter to BusStopCode
- Removal of SST Parameter. Timestamps are now in SST by default.
- Rehashed advisement on Front-End Implementation for clarity.
28 Jul 2017
4.1
Minor revisions to sample Bus Arrival API response.
08 Sep 2017
4.2
Announcement on Changes to API Response Size is reflected on Page 6.
15 Sep 2017
4.3
Deployment date has postponed for the increase of API Response Size.
Please refer to Page 6 for the latest announcement.
06 Oct 2017
4.4
Response Size for all APIs (except Bus Arrival API) have been increased
to 500 records per call.
16 Oct 2017
4.5
Carpark Availability API is now enhanced! Latest release includes:
- Includes HDB, LTA and URA carpark availability data
- New Attribute – Lot Type, Agency
- Combined Attribute: Location
(previously Latitude and Longitude attributes)
22 Jan 2018
(Soft released on
31 Dec 2017)
4.6
New Train Service Alerts API is launched! It returns detailed information
on train service unavailability during scheduled operating hours, such as
affected Line and Stations etc.
19 Mar 2018
4.7
4 New Passenger Volume APIs are launched! Aggregated passenger
volume information such as number of trips, tap in and out by weekdays
and weekends (inclusive of holidays) are returned.
1. By Bus Stops
2. By Origin-Destination Bus Stops
3. By Origin-Destination Train Stations
4. By Train Stations
Sample output for Train Service Alerts API has been changed to Annex C.
17 Jul 2018
4.8
Traffic Speed Band API is now enhanced! Latest release includes:
21 Sep 2018
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- Speeds are classified into 8 bands at 10km/h interval.
4.9
Bicycle Parking is launched! This API returns the information of bicycle
parking locations within a radius.
11 Feb 2019
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TABLE OF CONTENTS
1. MAKING API CALLS ...................................................................................................................... 6
2. API DOCUMENTATION ................................................................................................................ 9
2.1 BUS ARRIVAL ....................................................................................................................... 11
2.2 BUS SERVICES ...................................................................................................................... 16
2.3 BUS ROUTES ........................................................................................................................ 17
2.4 BUS STOPS ........................................................................................................................... 18
2.5 PASSENGER VOLUME BY BUS STOPS .............................................................................. 19
2.6 PASSENGER VOLUME BY ORIGIN DESTINATION BUS STOPS ...................................... 20
2.7 PASSENGER VOLUME BY ORIGIN DESTINATION TRAIN STATIONS ........................... 21
2.8 PASSENGER VOLUME BY TRAIN STATIONS .................................................................... 22
2.9 TAXI AVAILABILITY .............................................................................................................. 23
2.10 TRAIN SERVICE ALERTS ...................................................................................................... 24
2.11 CARPARK AVAILABILITY ..................................................................................................... 26
2.12 ERP RATES ............................................................................................................................ 27
2.13 ESTIMATED TRAVEL TIMES ................................................................................................ 28
2.14 FAULTY TRAFFIC LIGHTS .................................................................................................... 29
2.15 ROAD OPENINGS................................................................................................................ 30
2.16 ROAD WORKS ..................................................................................................................... 31
2.17 TRAFFIC IMAGES ................................................................................................................. 32
2.18 TRAFFIC INCIDENTS ........................................................................................................... 33
2.19 TRAFFIC SPEED BANDS ...................................................................................................... 34
2.20 VMS / EMAS ........................................................................................................................ 35
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2.21 Bicycle Parking .................................................................................................................... 36
ANNEX A .......................................................................................................................................... 37
ANNEX B .......................................................................................................................................... 38
ANNEX C .......................................................................................................................................... 39
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1. MAKING API CALLS
API calls need to be made programmatically in regular intervals to obtain the constant stream
of data for your respective development or research needs. For illustration purposes, the API
call below is being made via a third-party application – Postman.
Steps to making an API call:
1. Download and install the Postman from https://www.getpostman.com/. Fire it up!
2. Make sure Http method is set to GET.
3. Enter the URL (refer to subsequent pages in this document) in the field request URL.
4. Enter your AccountKey under Headers.
5. (OPTIONAL STEP) The “accept” header allows you to specify the response format of
your API call. Default is JSON. Specify “application/atom+xml” for XML.
6. Click on the Send button.
Figure 2-1
2
3
4
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Figure 2-2 below shows the JSON response of an API call made for the Traffic Incidents dataset.
Figure 2-2: API (JSON) Response as shown on Postman.
With the exception of the following Bus Arrival API listed below (see Table 1), API responses
returned are limited to 500 records of the dataset per call. This number may be adjusted from
time to time.
To retrieve subsequent records of the dataset, you need to append the $skip operator to the
API call (URL). For example, to retrieve the next 500 records (501st to the 1000th), the API call
should be:
http://datamall2.mytransport.sg/ltaodataservice/BusRoutes?$skip=500
To retrieve the following set of 500 records, append ‘?$skip=1000’, and so on. Just remember,
each URL call returns only a max of 500 records!
Table 1: API Response Size
API
Response Size
Bus Arrival
Not Applicable. Depends on parameter supplied.
Train Service Alerts
Not Applicable. Depends on the scenario.
Passenger Volume related
Returns one record per request.
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Here’s an example of how you can retrieve the data programmatically. This example is coded
in Python 2.7. As mentioned previously, this API call only returns the first 500 records.
import json
import urllib
from urlparse import urlparse
import httplib2 as http #External library
if __name__=="__main__":
#Authentication parameters
headers = { 'AccountKey' : '6HsAmP1e0R/EkEYWOcjKg==',
'accept' : 'application/json'} #this is by default
#API parameters
uri = 'http://datamall2.mytransport.sg/' #Resource URL
path = '/ltaodataservice/BusRoutes?'
#Build query string & specify type of API call
target = urlparse(uri + path)
print target.geturl()
method = 'GET'
body = ''
#Get handle to http
h = http.Http()
#Obtain results
response, content = h.request(
target.geturl(),
method,
body,
headers)
#Parse JSON to print
jsonObj = json.loads(content)
print json.dumps(jsonObj, sort_keys=True, indent=4)
#Save result to file
with open("bus_routes.json","w") as outfile:
#Saving jsonObj["d"]
json.dump(jsonObj, outfile, sort_keys=True, indent=4,
ensure_ascii=False)
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2. API DOCUMENTATION
The following lists all real-time / dynamic datasets that are refreshed at regular intervals and
served out via APIs. Specification for each API can be found in the rest of this document.
Note: any attributes not specified in this document but found on the data feed, should be ignored.
Public-Transport Related (Total 10)
Description
1
Bus Arrival
Returns real-time Bus Arrival information for Bus Services at a
queried Bus Stop, including: Estimated Time of Arrival (ETA),
Estimated Location, Load info (i.e. how crowded the bus is).
2
Bus Services
Returns detailed service information for all buses currently in
operation, including:
first stop, last stop, peak / offpeak frequency of dispatch.
3
Bus Routes
Returns detailed route information for all services currently in
operation, including:
all bus stops along each route, first/last bus timings for each stop.
4
Bus Stops
Returns detailed information for all bus stops currently being
serviced by buses, including: Bus Stop Code, location coordinates.
5
Passenger Volume by Bus Stops
Returns tap in and tap out passenger volume by weekdays and
weekends for individual bus stop.
6
Passenger Volume by Origin
Destination Bus Stops
Returns number of trips by weekdays and weekends from the
origin to destination bus stops.
7
Passenger Volume by Origin
Destination Train Stations
Returns number of trips by weekdays and weekends from the
origin to destination train stations.
8
Passenger Volume by Train Stations
Returns tap in and tap out passenger volume by weekdays and
weekends for individual train station.
9
Taxi Availability
Returns location coordinates of all Taxis that are currently available
for hire. Does not include "Hired" or "Busy" Taxis.
10
Train Service Alerts
Returns detailed information on train service unavailability during
scheduled operating hours, such as affected line and stations etc.
Traffic Related (Total 10)
Description
11
Carpark Availability
Returns no. of available lots for HDB, LTA and URA carpark data.
The LTA carpark data consist of major shopping malls and
developments within Orchard, Marina, HarbourFront, Jurong Lake
District.
12
ERP Rates
Returns ERP rates of all vehicle types across all timings for each
zone.
13
Estimated Travel Times
Returns estimated travel times of expressways (in segments).
14
Faulty Traffic Lights
Returns alerts of traffic lights that are currently faulty, or currently
undergoing scheduled maintenance.
15
Road Openings
Returns all planned road openings.
16
Road Works
Returns all road works being / to be carried out.
17
Traffic Images
Returns links to images of live traffic conditions along expressways
and Woodlands & Tuas Checkpoints.
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Traffic Related (Total 10)
Description
18
Traffic Incidents
Returns incidents currently happening on the roads, such as
Accidents, Vehicle Breakdowns, Road Blocks, Traffic Diversions etc.
19
Traffic Speed Bands
Returns current traffic speeds on expressways and arterial roads,
expressed in speed bands.
20
VMS / EMAS
Returns traffic advisories (via variable message services) concerning
current traffic conditions that are displayed on EMAS signboards
along expressways and arterial roads.
Active Mobility Related (Total 1)
Description
21
Bicycle Parking
Returns the bicycle parking locations within a radius.
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2.1 BUS ARRIVAL
URL
http://datamall2.mytransport.sg/ltaodataservice/BusArrivalv2
Description
Returns real-time Bus Arrival information of Bus Services at a queried Bus Stop,
including Est. Arrival Time, Est. Current Location, Est. Current Load.
Update Freq
1 minute
Request
Parameters
Description
Mandatory
Example
BusStopCode
Bus stop reference code
Yes
83139
ServiceNo
Bus service number
No
15
Response
Attributes
Description
Example
ServiceNo
Bus service number
15
Operator
Public Transport Operator Codes:
SBST (for SBS Transit)
SMRT (for SMRT Corporation)
TTS (for Tower Transit Singapore)
GAS (for Go Ahead Singapore)
GAS
NextBus
Structural tags for all bus level attributes^ of the next 3 oncoming buses. Note that if
there is only one last bus left on the roads (e.g. at night), attributes values in
NextBus2 and NextBus3 will be empty / blank.
NextBus2
NextBus3
^ OriginCode
Reference code of the first bus stop where this
bus started its service
77009
^ DestinationCode
Reference code of the last bus stop where this
bus will terminate its service
77131
^ EstimatedArrival
Date-time of this bus’ estimated time of arrival,
expressed in the UTC standard, GMT+8 for
Singapore Standard Time (SST)
2017-04-29T07:20:24+08:00
^ Latitude
Current estimated location coordinates of this
bus at point of published data
1.42117943692586
^ Longitude
103.831477233098
^ VisitNumber
Ordinal value of the nth visit of this vehicle at
this bus stop; 1=1st visit, 2=2nd visit
1
^ Load
Current bus occupancy / crowding level:
SEA (for Seats Available)
SDA (for Standing Available)
LSD (for Limited Standing)
SEA
^ Feature
Indicates if bus is wheel-chair accessible:
WAB
(empty / blank)
WAB
^ Type
Vehicle type:
SD (for Single Deck)
DD (for Double Deck)
BD (for Bendy)
SD
Please note that Bus Arrival data (i.e. all attribute-value pairs above) will only appear on the API when the buses are in service (i.e.
on the roads). When not in operation, OR when the API service is undergoing maintenance and temporarily unavailable, there will
be no response returned on the API (not even the attribute tags).Please refer to Advisement Pt. 1 in following section for more.
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SAMPLE API CALL & RESPONSE
API Call:
http://datamall2.mytransport.sg/ltaodataservice/BusArrivalv2?BusStopCode=83139
API Response:
{
"odata.metadata":
"http://datamall2.mytransport.sg/ltaodataservice/$metadata#BusArrivalv2/@Element",
"BusStopCode": "83139",
"Services": [
{
"ServiceNo": "15",
"Operator": "GAS",
"NextBus": {
"OriginCode": "77009",
"DestinationCode": "77009",
"EstimatedArrival": "2017-06-05T14:46:27+08:00",
"Latitude": "1.3143508333333334",
"Longitude": "103.906379",
"VisitNumber": "1",
"Load": "SDA",
"Feature": "WAB",
"Type": "SD"
},
"NextBus2": {
"OriginCode": "77009",
"DestinationCode": "77009",
"EstimatedArrival": "2017-06-05T14:57:09+08:00",
"Latitude": "1.334717",
"Longitude": "103.90723483333333",
"VisitNumber": "1",
"Load": "SDA",
"Feature": "WAB"
"Type": "SD"
},
"NextBus3": {
"OriginCode": "77009",
"DestinationCode": "77009",
"EstimatedArrival": "2017-06-05T15:00:20+08:00",
"Latitude": "1.3370036666666667",
"Longitude": "103.913939",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
}
},
{
"ServiceNo": "150",
"Operator": "SBST",
"NextBus": {
"OriginCode": "82009",
"DestinationCode": "82009",
"EstimatedArrival": "2017-06-05T14:54:06+08:00",
"Latitude": "1.319458",
"Longitude": "103.9012405",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
},
"NextBus2": {
"OriginCode": "82009",
"DestinationCode": "82009",
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"EstimatedArrival": "2017-06-05T15:04:49+08:00",
"Latitude": "0",
"Longitude": "0",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
},
"NextBus3": {
"OriginCode": "82009",
"DestinationCode": "82009",
"EstimatedArrival": "2017-06-05T15:19:49+08:00",
"Latitude": "0",
"Longitude": "0",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
}
},
{
"ServiceNo": "155",
"Operator": "SBST",
"NextBus": {
"OriginCode": "52009",
"DestinationCode": "84009",
"EstimatedArrival": "2017-06-05T14:55:12+08:00",
"Latitude": "1.3184713333333333",
"Longitude": "103.89202066666667",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
},
"NextBus2": {
"OriginCode": "52009",
"DestinationCode": "84009",
"EstimatedArrival": "2017-06-05T15:02:41+08:00",
"Latitude": "1.3186606666666667",
"Longitude": "103.88303666666667",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
},
"NextBus3": {
"OriginCode": "52009",
"DestinationCode": "84009",
"EstimatedArrival": "2017-06-05T15:20:22+08:00",
"Latitude": "1.3360038333333333",
"Longitude": "103.87798466666666",
"VisitNumber": "1",
"Load": "SEA",
"Feature": "WAB"
"Type": "SD"
}
}
]
}
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ADVISEMENT ON FRONT-END IMPLEMENTATION (BUS APPS)
1. [EstimatedArrival] Display of Advisement Messages when there is NO Bus Arrival Data
In the event where data is not available (be it in partial or in full) on the API, you may want to display
some form of ‘status texts’ to advise your app users on what’s going on, as far as bus service
availability is concerned. To do this, you will need to take reference from two data points – (1) the
presence or absence of Arrival data itself, and (2) the bus service operating hours at each bus
stop which you need to obtain via the Bus Routes API.
With those two data points gathered, you will arrive at the following possible scenarios:
#
Operation Status
Data Availability
Advisement Message
a.
Bus is in operation
Arrival data is available
(none required)
b.
Bus is in operation
Arrival data is NOT available
“No Est. Available”
c.
Bus is NOT in operation
Arrival data is NOT available
“Not In Operation”
d.
Bus is NOT in operation
Arrival data is available
(none required)
For scenarios (b) and (c), you may display advisement messages like those suggested in the table
above, or any other user-friendly and appropriate variants at your discretion.
Next, you should note that Arrival data may be available on the API even when bus services are
supposedly NOT in operation (as per scheduled operating hours) – reflected as scenario (d) in the
table above. This happens,
a. before first bus(es) begin their service from Bus Interchanges / Depots in the mornings, and,
b. when last bus(es) at night are running behind schedule; slightly past operating hours.
Therefore, the general logic to be applied, is to always first display the Arrival data if it’s available
on the API, irrespective of the scheduled operating hours. Advisement messages like “No Est.
Available” and “Not In Operation” are applicable ONLY when there is no Arrival data on the API.
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2. [EstimatedArrival] Rounding of Seconds
All derived bus arrival duration should be rounded down to the nearest minute.
Derived duration: 3:49 mins
Display duration: “3 min”
Derived duration: 2:07 mins
Display duration: “2 min”
Derived duration: 1:59 mins
Display duration: “1 min”
Derived duration: 0:59 mins
Display duration: “Arr”
3. [Load] Colour Scheme Adoption
You may adopt this colour scheme to serve as visual indicators for the various loading values:
- [Green] Seats Available
- [Amber] Standing Available
- [Red] Limited Standing
You are given the flexibility for the manner in which you display the colours, i.e. colour bars, coloured
timings, and accompanied with legends where appropriate and/or necessary.
4. [Feature] Wheelchair Accessible Buses
You are given the flexibility to display any symbols or labels to denote oncoming buses that
are wheelchair accessible.
ADDITIONAL NOTE ON LOOP SERVICES THAT RUNS BOTH DIRECTIONS
Please note that some Loop Services are appended with ‘G’ or ‘W’ to denote their direction of travel.
You should account for and display these services individually – 225G, 225W, 243G, 243W, 410G, 410W.
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2.2 BUS SERVICES
URL
http://datamall2.mytransport.sg/ltaodataservice/BusServices
Description
Returns detailed service information for all buses currently in
operation, including: first stop, last stop, peak / offpeak frequency of
dispatch.
Update Freq
Ad-Hoc
Response
Attributes
Description
Sample
ServiceNo
The bus service number
107M
Operator
Operator for this bus service
SBST
Direction
The direction in which the bus travels
(1 or 2), loop services only have 1
direction
1
Category
Category of the SBS bus service:
EXPRESS, FEEDER, INDUSTRIAL,
TOWNLINK, TRUNK, 2 TIER FLAT FEE,
FLAT FEE $1.10 (or $1.90, $3.50, $3.80)
TRUNK
OriginCode
Bus stop code for first bus stop
64009
DestinationCode
Bus stop code for last bus stop
(similar as first stop for loop services)
64009
AM_Peak_Freq
Freq of dispatch for AM Peak
0630H - 0830H (range in minutes)
14-17
AM_Offpeak_Freq
Freq of dispatch for AM Off-Peak
0831H - 1659H (range in minutes)
10-16
PM_Peak_Freq
Freq of dispatch for PM Peak
1700H - 1900H (range in minutes)
12-15
PM_Offpeak_Freq
Freq of dispatch for PM Off-Peak
after 1900H (range in minutes)
12-15
LoopDesc
Location at which the bus service
loops, empty if not a loop service.
Raffles Blvd
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2.3 BUS ROUTES
URL
http://datamall2.mytransport.sg/ltaodataservice/BusRoutes
Description
Returns detailed route information for all services currently in operation,
including: all bus stops along each route, first/last bus timings for each stop.
Update Freq
Ad-Hoc
Response
Attributes
Description
Sample
ServiceNo
The bus service number
107M
Operator
Operator for this bus service
SBST
Direction
The direction in which the bus travels
(1 or 2), loop services only have 1
direction
1
StopSequence
The i-th bus stop for this route
28
BusStopCode
The unique 5-digit identifier for this
physical bus stop
01219
Distance
Distance travelled by bus from starting
location to this bus stop (in kilometres)
10.3
WD_FirstBus
Scheduled arrival of first bus on weekdays
2025
WD_LastBus
Scheduled arrival of last bus on weekdays
2352
SAT_FirstBus
Scheduled arrival of first bus on Saturdays
1427
SAT_LastBus
Scheduled arrival of last bus on Saturdays
2349
SUN_FirstBus
Scheduled arrival of first bus on Sundays
0620
SUN_LastBus
Scheduled arrival of last bus on Sundays
2349
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2.4 BUS STOPS
URL
http://datamall2.mytransport.sg/ltaodataservice/BusStops
Description
Returns detailed information for all bus stops currently being serviced by
buses, including: Bus Stop Code, location coordinates.
Update Freq
Ad-Hoc
Response
Attributes
Description
Sample
BusStopCode
The unique 5-digit identifier for this
physical bus stop
01012
RoadName
The road on which this bus stop is
located
Victoria St
Description
Landmarks next to the bus stop (if
any) to aid in identifying this bus stop
Hotel Grand Pacific
Latitude
Location coordinates for this bus stop
1.29685
Longitude
103.853
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2.5 PASSENGER VOLUME BY BUS STOPS
URL
http://datamall2.mytransport.sg/ltaodataservice/PV/Bus
Description
Returns tap in and tap out passenger volume by weekdays and
weekends for individual bus stop
Update Freq
By 15th of every month, the passenger volume for previous month data
will be generated
Request
Parameters
Description
Mandatory
Example
Date
Request for files up to
last three months
No
Date=201803
Response
Attributes
Description
Example
Link
Link for downloading this file.
Refer to sample output on
Annex A for reference
Link will expire after 5 minutes
https://ltafarecard.s3.amazona
ws.com/201803/transport_node
_bus_201803.zip?x-amz-
security-
token=FQoDYXdzEOf%2F%2F%
2F%2F%2F%2F%2F%2F%2F%...
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2.6 PASSENGER VOLUME BY ORIGIN DESTINATION BUS STOPS
URL
http://datamall2.mytransport.sg/ltaodataservice/PV/ODBus
Description
Returns number of trips by weekdays and weekends from origin to
destination bus stops
Update Freq
By 15th of every month, the passenger volume for previous month data
will be generated
Request
Parameters
Description
Mandatory
Example
Date
Request for files up to
last three months
No
Date=201804
Response
Attributes
Description
Example
Link
Link for downloading this file.
Refer to sample output on
Annex B for reference
Link will expire after 5 minutes
https://ltafarecard.s3.amazonaws
.com/201804/origin_destination_
bus_201804.zip?x-amz-security-
token=FQoDYXdzEOf%2F%2...
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2.7 PASSENGER VOLUME BY ORIGIN DESTINATION TRAIN
STATIONS
URL
http://datamall2.mytransport.sg/ltaodataservice/PV/ODTrain
Description
Returns number of trips by weekdays and weekends from origin to
destination train stations
Update Freq
By 15th of every month, the passenger volume for previous month data
will be generated
Request
Parameters
Description
Mandatory
Example
Date
Request for files up to
last three months
No
Date=201803
Response
Attributes
Description
Example
Link
Link for downloading this file.
Refer to sample output on
Annex B for reference
Link will expire after 5 minutes
https://ltafarecard.s3.amazona
ws.com/201803/origin_destinat
ion_train_201803.zip?x-amz-
security-
token=FQoDYXdzEOf%2F%2F%
...
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2.8 PASSENGER VOLUME BY TRAIN STATIONS
URL
http://datamall2.mytransport.sg/ltaodataservice/PV/Train
Description
Returns tap in and tap out passenger volume by weekdays and
weekends for individual train station
Update Freq
By 15th of every month, the passenger volume for previous month data
will be generated
Request
Parameters
Description
Mandatory
Example
Date
Request for files up to
last three months
No
Date=201805
Response
Attributes
Description
Example
Link
Link for downloading this file.
Refer to sample output on
Annex A for reference
Link will expire after 5 minutes
https://ltafarecard.s3.amazona
ws.com/201805/transport_node
_train_201805.zip?x-amz-
security-
token=FQoDYXdzEOf%2F%2F%
2F...
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2.9 TAXI AVAILABILITY
URL
http://datamall2.mytransport.sg/ltaodataservice/Taxi-Availability
Description
Returns location coordinates of all Taxis that are currently available for
hire. Does not include "Hired" or "Busy" Taxis.
Update Freq
1 min
Response
Attributes
Description
Sample
Latitude
Latitude location coordinates.
1.35667
Longitude
Longitude location coordinates.
103.93314
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2.10 TRAIN SERVICE ALERTS
URL
http://datamall2.mytransport.sg/ltaodataservice/TrainServiceAlerts
Description
Returns detailed information on train service unavailability during scheduled
operating hours, such as affected line and stations etc.
Update Freq
(ad-hoc)
Request
Parameters
Description
Mandatory
Example
(none)
-
-
-
Response
Attributes
Description
Example
Status
Indicates if train service is unavailable:
1 (for Normal Train Service)
2 (for Disrupted Train Service)
2
Line
Train network line affected:
CCL (for Circle Line)
CEL (for Circle Line Extension – BayFront,
Marina Bay)
CGL (for Changi Extension –
Expo, Changi Airport)
DTL (for Downtown Line)
EWL (for East West Line)
NEL (for North East Line)
NSL (for North South Line)
PEL (for Punggol LRT East Loop)
PWL (for Punggol LRT West Loop)
SEL (for Sengkang LRT East Loop)
SWL (For Sengkang LRT West Loop)
BPL (for Bukit Panjang LRT)
NEL
Direction
Indicates direction of service unavailability on
the affected line:
Both
(towards station name)
Punggol
Stations
Indicates the list of affected stations on the
affected line.
NE1,NE3,NE4,NE5,NE6
FreePublicBus
Indicates the list of affected stations where free
boarding onto normal public bus services are
available.
(station code)
Free bus service island wide
NE1,NE3,NE4,NE5,NE6
FreeMRTShuttle
Indicates the list of affected stations where free
MRT shuttle services^ are available.
(station code)
EW21|CC22,EW23,EW24|NS1,
EW27;NS9,NS13,NS16,NS17|CC15;
EW8|CC9,EW5,EW2;NS1|EW24,NS4|BP1*
NE1,NE3,NE4,NE5,NE6
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MRTShuttleDirection
Indicates the direction of free MRT shuttle
services available:
Both
(towards station name)
Punggol
Message
Travel advisory notification service for train
commuters, published by LTA. This notice is also
broadcasted to commuters via the Find-My-Way
module in MyTransport mobile app.
Content
CreatedDate
1710hrs: NEL – No train
service between
Harbourfront to Dhoby
Ghaut stations towards
Punggol station due to a
signalling fault. Free bus
rides are available at
designated bus stops.
2017-12-01 17:54:21
Note:
This API relies on the static master list of Train Station Codes, Train Line Codes and Train Shuttle
Service Direction which can be obtained on DataMall Portal .
The Train Station Codes and Train Line Codes files are under Public Transport section.
The Train Shuttle Service Direction information can be found in Train Line Codes file.
During train unavailability, following attributes will be mandatory.
Status
Line
Direction
Stations
Each line that is affected will be published as separate clusters within the single API response.
Refer to sample output on Annex C for reference.
^Free MRT Shuttle services will ferry commuters from station to station along the affected
stretch.
*There are scenarios which MRT Shuttle services do not run along the affected stretch but along
four predefined areas in both directions
Bouna Vista, Clementi, Jurong East and Boon Lay
Woodlands, Yishun, Ang Mo Kio, Bishan
Paya Lebar, Bedok, Tampines
Jurong East, Choa Chu Kang
“|” delimiter to denote an interchange station
“;” delimiter to denote end of an area
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2.11 CARPARK AVAILABILITY
URL
http://datamall2.mytransport.sg/ltaodataservice/CarParkAvailabilityv2
Description
Returns no. of available lots for HDB, LTA and URA carpark data.
The LTA carpark data consist of major shopping malls and developments within
Orchard, Marina, HarbourFront, Jurong Lake District.
(Note: list of LTA carpark data available on this API is subset of those listed on
One.Motoring and MyTransport Portals)
Update Freq
1 minute
Response
Attributes
Description
LTA
Sample
URA
Sample
HDB
Sample
CarParkID
A unique code for this carpark
1
A0007
KB7
Area
Area of development / building:
Orchard
Marina
Harbfront
JurongLakeDistrict
Marina
(blank)
(blank)
Development
Major landmark or address where
carpark is located
Suntec City
ANGULLIA
PARK OFF
STREET
BLK 69
GEYLANG
BAHRU
Location
Latitude and Longitude map
coordinates.
1.29375
103.85718
1.305328…
103.82957...
1.32158..
103.87047…
AvailableLots
Number of lots available at point
of data retrieval.
352
0
18
LotType
Type of lots:
C (for Cars)
H (for Heavy Vehicles)
Y (for Motorcycles)
C
Y
C
Agency
Agencies:
HDB
LTA
URA
LTA
URA
HDB
Respective agencies are responsible for the accuracy of the carpark data. If there is any data related issue, you
may contact the agency directly. There may be empty values if data is not available (e.g. Area for HDB and URA
data is unavailable hence blank value is expected).
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2.12 ERP RATES
URL
http://datamall2.mytransport.sg/ltaodataservice/ERPRates
Description
Returns ERP rates of all vehicle types across all timings for each
zone.
Update Freq
Ad-Hoc
Response
Attributes
Description
Sample
VehicleType
Classification types:
Passenger Cars
Motorcycles
Light Goods Vehicles
Heavy Goods Vehicles
Very Heavy Goods
Vehicles
Taxis
Passenger Cars/Light Goods
Vehicles/Taxis
DayType
Available types:
- Weekdays
- Saturdays
Weekdays
StartTime
Start time for this ERP rate
08:00
EndTime
End time for this ERP rate
08:05
ZoneID
Zone for this ERP rate
AY1
ChargeAmount
Chargeable amount
0.5
EffectiveDate
Rate is effective as of this date
(in YYYY-MM-DD format)
2016-02-01
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2.13 ESTIMATED TRAVEL TIMES
URL
http://datamall2.mytransport.sg/ltaodataservice/EstTravelTimes
Description
Returns estimated travel times of expressways (in segments).
Update Freq
5 minutes
Response
Attributes
Description
Sample
Name
Expressway
AYE
Direction
Direction of travel:
1 – Travelling from east to west,
or south to north.
2 – Travelling from west to east,
or north to south.
1
FarEndPoint
The final end point of this whole
expressway in current direction
of travel
TUAS CHECKPOINT
StartPoint
Start point of this current
segment
AYE/MCE INTERCHANGE
EndPoint
End point of this current
segment
TELOK BLANGAH RD
EstTime
Estimated travel time in minutes
2
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2.14 FAULTY TRAFFIC LIGHTS
URL
http://datamall2.mytransport.sg/ltaodataservice/FaultyTrafficLights
Description
Returns alerts of traffic lights that are currently faulty, or currently
undergoing scheduled maintenance.
Update Freq
2 minutes – whenever there are updates
Response
Attributes
Description
Sample
AlarmID
Technical alarm ID
GL703034136
NodeID
A unique code to represent each
unique traffic light node
703034136
Type
Type of the technical alarm
4 (Blackout)
13 (Flashing Yellow)
13
StartDate
YYYY-MM-DD HH:MM:SS.ms
2014-04-12 01:58:00.0
EndDate
YYYY-MM-DD HH:MM:SS.ms
(empty field if this is not a
scheduled maintenance)
Message
Canning Message
(23/1)8:58 Flashing Yellow at
Bedok North Interchange/Bedok
North Street 1 Junc.
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2.15 ROAD OPENINGS
URL
http://datamall2.mytransport.sg/ltaodataservice/RoadOpenings
Description
Returns all planned road openings.
Update Freq
24 hours – whenever there are updates
Response
Attributes
Description
Sample
EventID
ID for this road opening event
RMAPP-201603-0900
StartDate
Start date for works to be
performed for this road opening
(in YYYY-MM-DD format)
2016-03-31
EndDate
End date for works to be
performed for this road opening
(in YYYY-MM-DD format)
2016-09-30
SvcDept
Department or company
performing this road work
SP POWERGRID LTD - CUSTOMER
PROJ (EAST)
RoadName
Name of new road to be opened
AH SOO GARDEN
Other
Additional information or
messages
For details, please call 62409237
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2.16 ROAD WORKS
URL
http://datamall2.mytransport.sg/ltaodataservice/RoadWorks
Description
Returns all road works being / to be carried out.
Update Freq
24 hours – whenever there are updates
Response
Attributes
Description
Sample
EventID
ID for this road work
RMAPP-201512-0217
StartDate
Start date for the works
performed for this road work
(in YYYY-MM-DD format)
2015-12-14
EndDate
End date for works performed
for this road work
(in YYYY-MM-DD format)
2016-07-31
SvcDept
Department or company
performing this road work
SP POWERGRID LTD - REGIONAL
NETWORK CENTRAL
RoadName
Name of road where work is
being performed.
ADAM DRIVE
Other
Additional information or
messages.
For details, please call 67273085
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2.17 TRAFFIC IMAGES
URL
http://datamall2.mytransport.sg/ltaodataservice/Traffic-Images
Description
Returns links to images of live traffic conditions along expressways and
Woodlands & Tuas Checkpoints.
Update Freq
1 to 5 minutes
Response
Attributes
Description
Sample
CameraID
A unique ID for this
camera
5795
Latitude
Latitude map
coordinates
1.326024822
Longitude
Longitude map
coordinates
103.905625
ImageLink
Link for
downloading this
image.
https://s3-ap-southeast-
1.amazonaws.com/mtpdm/2016-03-29/18-
32/5795_1822_20160329182706_c3e176.jpg
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2.18 TRAFFIC INCIDENTS
URL
http://datamall2.mytransport.sg/ltaodataservice/TrafficIncidents
Description
Returns incidents currently happening on the roads, such as
Accidents, Vehicle Breakdowns, Road Blocks, Traffic Diversions etc.
Update Freq
2 minutes – whenever there are updates
Response
Attributes
Description
Sample
Type
Incident Types:
Accident
Road Works
Vehicle Breakdown
Weather
Obstacle
Road Block
Heavy Traffic
Misc.
Diversion
Unattended Vehicle
Vehicle Breakdown
Latitude
Latitude map coordinates for the
start point of this road incident
1.30398068448214
Longitude
Longitude map coordinates for
the start point of this incident
103.919182834377
Message
Description message for this
incident
(29/3)18:22 Vehicle breakdown on
ECP (towards Changi Airport) after
Still Rd Sth Exit. Avoid lane 3.
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2.19 TRAFFIC SPEED BANDS
URL
http://datamall2.mytransport.sg/ltaodataservice/TrafficSpeedBandsv2
Description
Returns current traffic speeds on expressways and arterial roads,
expressed in speed bands.
Update Freq
5 minutes
Response
Attributes
Description
Sample
LinkID
Unique ID for this stretch of road
103046935
RoadName
Road Name
SERANGOON ROAD
RoadCategory
A – Expressways
B – Major Arterial Roads
C – Arterial Roads
D – Minor Arterial Roads
E – Small Roads
F – Slip Roads
G – No category info available
B
SpeedBand
Speed Bands Information. Total: 8
1 – indicates speed range from 0 < 9
2 – indicates speed range from 10 < 19
3 – indicates speed range from 20 < 29
4 – indicates speed range from 30 < 39
5 – indicates speed range from 40 < 49
6 – indicates speed range from 50 < 59
7 – indicates speed range from 60 < 69
8 – speed range from 70 or more
2
MinimumSpeed
Minimum speed in km/h
10
MaximumSpeed
Maximum speed in km/h
19
Location
Latitude and Longitude map
coordinates for start and end points
for this stretch of road.
1.3220591510051254
103.86246461405193
1.3215993547809128
103.86315591911669
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2.20 VMS / EMAS
URL
http://datamall2.mytransport.sg/ltaodataservice/VMS
Description
Returns traffic advisories (via variable message services) concerning
current traffic conditions that are displayed on EMAS signboards
along expressways and arterial roads.
Update Freq
2 minutes
Response
Attributes
Description
Sample
EquipmentID
EMAS equipment ID
amvms_v9104
Latitude
Latitude map coordinates of
electronic signboard.
1.3927176306916775
Longitude
Longitude map coordinates of
electronic signboard.
103.82618266340947
Message
Variable Message being
displayed on the EMAS display.
VEH BREAKDOWN SH,AFT
U.THOMSON
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2.21 Bicycle Parking
URL
http://datamall2.mytransport.sg/ltaodataservice/BicycleParkingv2
Description
Returns bicycle parking locations within a radius. The default radius is
set as 0.5km
Update Freq
Monthly
Request
Parameters
Description
Mandatory
Example
Lat
Latitude map
coordinates of location
Yes
1.364897
Long
Longitude map
coordinates of location
Yes
103.766094
Dist
Radius in kilometre
No
Default is 0.5
Response
Attributes
Description
Example
Description
Brief description of bicycle parking
location.
Bus Stop 43267
Latitude
Latitude map coordinates of bicycle
parking location.
1.3927176306916775
Longitude
Longitude map coordinates of bicycle
parking location.
103.82618266340947
RackType
Type of bicycle parking facility.
Racks or Yellow Box
RackCount
Total number of bicycle parking lots.
10
ShelterIndicator
Indicate whether the bicycle parking
lots are sheltered.
Y
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ANNEX A
SAMPLE OUTPUT FOR 2.5 PASSENGER VOLUME BY BUS STOPS AND 2.8 PASSENGER VOLUME BY TRAIN STATIONS
The batch file follows a variant of the generic comma-separated-values (CSV) format.
SYNTAX
YEAR_MONTH, DAY_TYPE, TIME_PER_HOUR, PT_TYPE, PT_CODE, TOTAL_TAP_IN_VOLUME, TOTAL_TAP_OUT_VOLUME \n
DELIMITERS
, common delimiter to separate values
\n not a delimiter, but the ‘next line’ character to denote the end of a record
SAMPLE FOR BUS
2018-05, WEEKDAY, 20, BUS, 50199, 853, 834
2018-05, WEEKENDS/HOLIDAY, 20, BUS, 50199, 459, 297
SAMPLE FOR TRAIN
2018-05, WEEKDAY, 15, TRAIN, EW14-NS26, 56019, 37614
2018-05, WEEKENDS/HOLIDAY, 15, TRAIN, , EW14-NS26, 13385, 10878
Note
Explanation of the sample Bus record: On a typical weekday of May 2018, from 2000hrs to 2059hrs, at Bus Stop 50199, Opp Shaw Plaza, the passenger
volume of tap in and tap out are 853 and 834 respectively.
TIME_PER_HOUR refers to the hour of the day. E.g. 15 = 1500hrs to 1559hrs
For some Train interchanges, the station codes will be merged and considered as one station (E.g. EW14-NS26 refers to Raffles Place station)
To find out more information about bus stops, please refer to Bus Stop API.
To find out more information about train stations, please refer to Train Station Codes and Chinese Names.csv in DataMall Portal under Public Transport section.
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ANNEX B
SAMPLE OUTPUT FOR 2.6 PASSENGER VOLUME BY ORIGIN DESTINATION BUS STOPS AND 2.7 PASSENGER VOLUME BY ORIGIN
DESTINATION TRAIN STATIONS
The batch file follows a variant of the generic comma-separated-values (CSV) format.
SYNTAX
YEAR_MONTH, DAY_TYPE, TIME_PER_HOUR, PT_TYPE, ORIGIN_PT_CODE, DESTINATION_PT_CODE, TOTAL_TRIPS \n
DELIMITERS
, common delimiter to separate values
\n not a delimiter, but the ‘next line’ character to denote the end of a record
SAMPLE FOR BUS
2018-05, WEEKDAY, 16, BUS, 28299, 28009, 63
2018-05, WEEKENDS/HOLIDAY, 16, BUS, 28299, 28009, 103
SAMPLE FOR TRAIN
2018-05, WEEKDAY, 17, TRAIN, CC28, CC1-NE6-NS24, 111
2018-05, WEEKENDS/HOLIDAY, 17, TRAIN, CC28, CC1-NE6-NS24, 39
Note
Explanation of the sample Train record: On a typical weekday of May 2018, from 1700hrs to 1759hrs, the total number of trips that travelled from CC28,
Telok Blangah station, to CC1-NE6-NS24, Dhoby Ghaut station, are 111.
TIME_PER_HOUR refers to the hour of the day. E.g. 16 = 1600hrs to 1659hrs
For some Train interchanges, the station codes will be merged and considered as one station (E.g. CC1-NE6-NS24 refers to Dhoby Ghaut station)
To find out more information about bus stops, please refer to Bus Stop API.
To find out more information about train stations, please refer to Train Station Codes and Chinese Names.csv in DataMall Portal under Public Transport section.
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ANNEX C
SAMPLE SCENARIOS FOR 2.6 TRAIN SERVICE ALERTS API
Once the train is unavailable, you may expect the Train Service Alert API response to be
displayed according to the steps below.
1. Activate contingency mode
2. Publish message
3. Edit activated contingency mode (optional)
4. Publish new message (optional)
5. Train Service Recover
6. Publish recover message (optional)
During normal scenario (No train Disruption)
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Sample Scenario #1 - Single Line affected
This scenario depicts
a. NEL – Boon Keng to Dhoby Ghaut, towards Harbourfront station
b. Free public bus services and free MRT shuttle (towards Harbourfront station)
Step 1: Activate contingency mode - NEL – Boon Keng to Dhoby Ghaut, towards Harbourfront station
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Step 2: Publish new message
Step 3: Edit activated contingency mode – Free Public Bus Service and free MRT Shuttle Service (towards HarbourFront)
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Step 4: Publish new message
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Step 5: Train service recover with Free Public Bus and MRT shuttle still available
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Step 6: Publish new message
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Step 7: After bus rides are ceased (no new published message)
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Sample Scenario #2 - Multi Lines affected
This scenario depicts 3 lines: North South Line, East West Line, and Downtown Line are down.
a. North South Line – between Bishan and Woodlands, towards Jurong East Station
a. East West Line – between Paya Lebar and Pasir Ris, both direction
b. MRT Shuttle Services that run along four predefined areas in both directions
c. Downtown Line – between Downtown and Beauty World, both directions
d. Free Bus Island-wide
Step 1: Activate contingency mode – North South Line down with new message published
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Step 2: Edit activated contingency mode –East West Line and North South line are down with new message published
181
1 hr
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Step 3: Edit activated contingency mode - Activate MRT shuttle services to run along four predefined areas in both directions (no new message published)
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Step 4: Edit activated contingency mode – In addition to North South, East West lines, Downtown line is also down with new message published
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Step 5: Edit activated contingency mode –Activate Free bus service island-wide with new message published
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Step 6: Train service recover – North South and East West line recover with new message published
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Step 7: Train service recover – Downtown line recovers, free public bus service and MRT shuttle are still available with new message published
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Step 8: Train service recover – Free public bus service and MRT shuttle have ceased
Step 9: Train service recover - After message has expired
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2.2 Train Delay
This scenario depicts there is a delay at Seng Kang West LRT (West Loop).
Step 1: New message published (Contingency mode is not activated)
Step 2: Train Service Resumes

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