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

– Glenn/Swan
– 6th St./Wilmot
– Grant
– Alvernon
– Oracle/Ina
– Ajo Way
– Northwest-UA Express
– Northwest-Downtown Express
– Catalina Hwy-Downtown 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.


Detours due to closure at 6th Ave at 7th St.

Routes 3, 9, 102X, 103X, 109X

Effective January 15 through approx. July 2016, due to a street improvement project on 6th Avenue at 7th Street, Sun Tran Routes 3 and 9 and Sun Express Routes 102X, 103X and 109X will be unable to serve stops located in that area.

Glenn at Alvernon Closure impacts routes

Route 1

Due to the closure of Glenn Street at Alvernon, Route 1 and 11 are unable to travel through that intersection until further notice. Route 1and 11 buses will travel on Fort Lowell between Winstel and Columbus Blvds.

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.