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Alerts & Detours

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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
– Campbell
– Oracle/Ina
– W. Grant
– Ajo Way
– La Cholla
– 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

Sun Link to Modify Schedule Starting June 9

Effective, June 9, 2016, the Sun Link streetcar will modify its service schedule on Thursday, Friday and Saturday nights to efficiently meet passenger demand. The modified schedule will end service on Thursday night at 10 PM (previously 2 AM) and Friday and Saturday night at 12 AM (previously 2 AM). The new schedule is attached. 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.


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.

New Bus Stop Added for Route 16 and 61

Routes 16, 61

A new bus stop will be added in early March on the southeast corner of Wetmore @ Neffson for Sun Tran Routes 16 (NB) and Routes 61 (SB).

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.

UA Mall Closure May 16 to July 10

Routes 9, 15, 20, 102X, 103X

The UA Mall will be closed starting on Monday, May 16 through Sunday, July 10, due to a construction project. Sun Tran Routes 9, 15 and 20 and Sun Express Routes 102X and 103X will be unable to serve the bus stop on the Mall during this time. Sun Tran passengers can utilize the existing stop on the NW Corner of Sixth Street and Campbell Avenue (Route 9) or on the SW corner of Campbell Avenue and Sixth Street (Route 15) to the temporary bus stop established on Campbell Avenue at Third Street to travel in either direction. Sun Express passengers can board at the SW corner of Campbell and Speedway.