Contact Us | Site Map

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. Note: there may be temporary detours or service changes not listed below.

– Speedway
– Flowing Wells
– Alvernon
– Oracle/Ina
– Stone
– Ajo Way
– Northwest-UA Express
– Northwest-Downtown Express
– Marana-Downtown Express
– Foothills-Downtown Express
– Oro Valley-Downtown Express
– Catalina Hwy-Downtown Express
– Eastside-Aero Park Express
– Northwest-Aero Park Express
– Oro Valley-Aero Park Express
– S. Park Avenue

Rider Alerts

Tucson Airport stop temporary change

Routes 11, 25

Due to construction at the bus stop located at the Tucson International Airport, Sun Tran routes 11 and 25 will pick up and drop off passengers near the regular stop. Please note buses will be unable to stop right at the bus stop.

Sun Shuttle Route 411

Due to a current update Sun Shuttle Route 411 schedule is inaccurate in the Trip Planning section at please see attached PDF for correct schedule. We apologize for the inconvenience. Download PDF

Route 11 Weekday Schedule & Route Change

Route 11

Effective May 22, weekday schedule and route for the route 11 will be adjusted to serve more stops. Please see the attached for updated schedule and map. This schedule is valid until the new Ride Guide is distributed. Download PDF

I-10/Ina Road Interchange Work could impact routes

Routes 16, 102X, 103X

The work on the I-10/Ina Road interchange could impact Sun Tran Routes 16, 102X and 103X, as well as Sun Shuttle Routes 412 and 413 with delays or potential temporary detours. We are asking passengers to be aware and any changes will be communicated here.

Ride Guide extended through September 24

Please continue to use the current Sun Tran Ride Guide through Saturday, September 24. The next edition of the Ride Guide will be available by mid-September and will be valid starting Sunday, September 25.


Westbound Bus Stop on Ajo at 16 to be removed

Route 50

Due to road widening project on Ajo Way, between 16th Avenue and Holiday Isle, the westbound bus stop on Ajo @ 16th will be removed. Passengers are asked to please now board at the Ajo @ 12th Ave stop. We apologize for the inconvenience.

Stop temporarily moved due to construction

Route 25

The Route 25 stop on the NW corner of Valencia at Tucson Blvd has been temporarily moved due to construction in the area. Please board on Tucson Blvd south of Valencia at Executive Drive (SE corner).

Route 16 & 10 SB on detour due to construction

Routes 10, 16

Due to a construction project, Route 16 will be unable to service Stone Avenue between Drachman and Speedway and Route 10 will be unable to service Main between Drachman and Speedway. Passengers are asked to please board at the bus stop on Stone and Speedway by 1st Avenue.

Construction on Speedway & Stone to cause detours

Routes 4, 10, 16, 19, 102X, 103X, 104X, 105X, 107X, 109X

Effective August 16, due to construction on Speedway and Stone, bus stops on Speedway, between Main and 6th Ave, on Stone, between Drachman and 6th St and Main between Drachman and Speedway, will not be in service until further notice. Passengers are advised to please board existing stops in the area or temporary stops at 6th Ave and Speedway, 6th Ave and 2nd St and 6th Ave and Speedway.

Routes 201X, 202X, 203X