TransiCast

Call format

Part	Description	Optional	Example
URL	TransiCast web server instance URL		http://transicast.appspot.com/ws/V1
Servlet descriptor	arrivals		arrivals
Parameter: agency=<agency name>	Agency name, as provided by the agencies call		agency=Los Angeles Metro
Parameter: locIDs=<stop id, ... >	Comma separated list of stop IDs, as provided by the stops call		locIDs=11918,3429
Parameter: routes=<route id, ... >	Comma separated list of Route IDs, as provided by the route list call		routes=45,45,83,83,834

http://transicast.appspot.com/ws/V1/arrivals?locIDs=11918,3429&routes=45,45,83,83,834&agency=Los%20Angeles%20Metro&appid=sample0

Response format

The call for next bus and train times first returns the list of stops through the <location> tag. Following the locations, the individual predicted vehicles are returned through the <arrival> tag. It contains the following attributes:

Attribute	Description	Key	Used in	Example
block	Service block			block="1244"
status	Estimation status. Use estimated tag if the value of status is estimated. Use scheduled tag if the value of status is scheduled			status="estimated"
estimated	Estimated time of departure			estimated="1319425765837"
scheduled	Scheduled time of departure			scheduled="1319426000000"
fullSign	Full destination string			fullSign="45 North to Lincoln Heights"
route	Route ID, as provided by the route list call		Route list, as key value	route="45"
shortSign	Full destination string			shortSign="45 North to Lincoln Heights"
locid	Stop ID that identifies the predicted stop, as provided by the stops call		Stops, as key value	locid="11918"
detour	Flag. true if the predicted vehicle is operating on a detoured route			detour="false"

Where vehicle locations are available, the <arrival> tags contains a <blockPosition> tag with the following attributes:

Attribute	Description	Key	Used in	Example
heading	Vehicle heading in degrees off North			heading="30"
lat	Vehicle latitude			lat="33.943523"
lng	Vehicle longitude			lng="-118.27845"

<?xml version="1.0" encoding="UTF-8"?>
<resultSet queryTime="1319425536165" ct="3">
<location locid="11918"/>
<location locid="3429"/>
<arrival block="7409626" estimated="1319425765837" fullSign="45 North to Lincoln Heights" route="45" shortSign="45 North to Lincoln Heights" status="estimated" locid="3429" detour="false">
	<blockPosition heading="30" lat="34.04995" lng="-118.249184"> </blockPosition>
</arrival>
<arrival block="7406874" estimated="1319425899200" fullSign="83 North to York-Eagle Rock" route="83" shortSign="83 North to York-Eagle Rock" status="estimated" locid="3429" detour="false">
	<blockPosition heading="30" lat="34.044395" lng="-118.255867"> </blockPosition> 
</arrival>
<arrival block="7406884" estimated="1319426942011" fullSign="84 South to The Shops At Montebello Via Downtown LA" route="84" shortSign="84 South to The Shops At Montebello Via Downtown LA" status="estimated" locid="11918" detour="false">
</arrival>
</resultSet>

Notes

• •  If not provided by the original agency feed, TransiCast / Rasa might fill in block numbers automatically


• •  TransiCast / Rasa returns the detour status as false where the original agency feed does not provide a route based detour status


• •  Although some original feeds do not require routes as a query parameter for next bus and train times, others do. In the aggregate, TransiCast / Rasa requires the routes parameter for all calls. As original feeds may not need this parameter, and return next buses or trains times of all routes, TransiCast / Rasa directly returns the content of the original feed, including next buses and trains of routes that may not have been requested in the call

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