TTC will be revising their current process and producing an updated documentation with a target date of Q1 2024.
Vehicle locations and next vehicle arrival & departure predictions are provided in close to real-time.
The XML feed data is accessed using URLs with parameters specified in the query string (example: http://webservices.umoiq.com/service/publicXMLFeed?command=routeConfig&a=ttc&r=501)
Please read the following documents for a breakdown of the URLs that can be used and examples of the XML that is returned.