Sun Tran Route Changes for El Tour de Tucson

Multiple Sun Tran bus routes will be on detour on Saturday, November 18th to accommodate the El Tour de Tucson event. Passengers may experience delays from event traffic and are encouraged to plan accordingly.
Sun Tran Routes 3, 7, 12, 18, 21, 22, 23, 27, 34 and 37 will be on detour from approximately 5 a.m. to 5 p.m. on Saturday, November 18th. Route 18 will be on detour beginning Friday, November 17th at approximately 6 p.m. Please visit the Alerts & Detours page at for a complete list of temporarily discontinued stops and alternate boarding locations.
Passengers are encouraged to visit and view the Live Bus Tracking feature or call Sun Tran’s Customer Service Center at (520) 792-9222 (TDD: 520-628-1565) for more information. For maps of El Tour de Tucson and additional information, visit