For details of current bus routes and timetables, the itravelyork website https://www.itravelyork.info
provides the best source of information, with links to the individual route timetables:
https://www.itravelyork.info/buses/bus-routes-and-journey-times/timetables
The site also informs you how to obtain live bus information:
https://www.itravelyork.info/buses/live-travel-and-traffic/
Details of upcoming service changes are at:
https://www.itravelyork.info/buses/bus-routes-and-journey-times/upcoming-service-changes/
Changes to Tendered Bus Services wef 1/2 September 2019 are at:
https://www.itravelyork.info/news/changes-to-tendered-bus-services-in-york
Details of any current or planned bus route diversions are at:
https://www.itravelyork.info/buses/bus-routes-and-journey-times/diversion-information/
Contact details for bus operators are at:
https://www.itravelyork.info/buses/partners-bus-operators/
See also our Useful Links page: https://www.yorkbusforum.org/useful-links/