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Alerts & Detours

Sign up for transit alerts and get notified via text or email if your bus is running late, giving you time to adjust your travel plans. Sign up here.

Monsoon Warning

Please be aware that during
the summer monsoon
season, routes may
experience delays
and/or detours. We will
post information on this
site when possible, but
please contact Sun Tran's
Customer Service Center at
792-9222 for more immediate information

Routes currently affected:

Some bus routes are affected by multiple events. Please review all Alerts & Detours listings to see if your route is affected.

– Speedway
– 22nd St.
– Broadway
– W. Congress/Silverbell
– Broadway-Downtown Express
– 10th/12th Avenue

Rider Alerts

Route 34 Schedule Weekend Schedule Updated

The Route 34 weekend schedule has been updated in the online Ride Guide and in the attached PDF to reflect actual scheduled times. We apologize for any inconvenience. Download PDF

Now Open: Houghton Park and Ride

Routes 4, 8, 108X

The new Broadway and Houghton Park and Ride serves Routes 4, 8 and 108X. Park and Ride lots are designed for passengers who do not live near a route, but want to take advantage of transit. Park & Ride locations are available throughout the community, for more information call (520) 792-9222.

Bus stop on on Silverbell at Frostwood to be temp. discontinued

Route 21

Effective July 1, the bus stop serving Route 21 passengers on Silverbell at Frostwood (SW) will be discontinued through December, due to construction. For trip planning assistance please contact Customer Service at (520) 792-9222.


Road Improvements cause detour on Routes 7 and 12

Routes 7, 12

Due to road improvements, starting on Tuesday, July 21, northbound routes 7 and 12 will be on a short detour, and unable to serve the bus stop on 10th Avenue at 19th. Please board at alternate bus stops. For trip planning assistance please contact customer service at (520) 792-9222.

Detour until Friday, 7/31

Routes 7, 12

The bus stop on 10th Ave. at 19th (NE) has been temporarily discontinued due to a road closure. Please board on 19th Avenue at 10th St. (SE corner) where a temporary bus stop sign has been place. Call 520-792-9222 (TDD: 628-1565) for more information.

Road Improvements cause detour on Routes 7 and 12

Routes 7, 12

Due to a road improvement project, causing a road closure, Sun Tran Routes 7 and 12 will be unable to temporarily serve the bus stop on 10th at 19th on the North East corner. Passengers can use the temporary stop on 19th/10th on the South East corner as an alternate boarding location through Friday, July 31.