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Alerts & Detours

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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.

– Pueblo Gardens
– 6th St./Wilmot
– Pima/W. Speedway
– Flowing Wells
– Alvernon
– Oracle/Ina
– W. Congress/Silverbell
– Mission
– 12th Ave.
– Benson Highway
– Midvale Park
– Valencia
– Pantano
– Ajo Way
– Northwest-UA Express
– Northwest-Downtown Express
– Northwest-Aero Park Express
– Oro Valley-Aero Park Express
– 10th/12th Avenue
– S. 6th Avenue
– 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.

I-10/Ina Road Interchange could impact routes

Routes 102X, 103X, 202X

The work on the I-10/Ina Road interchange could impact Sun Express Routes 102X, 103X, and 202X, as well as Sun Shuttle Routes 412 and 413. Please expect possible delays or potential temporary detours. Route and schedule changes will be noted in the new Ride Guide, effective September 26. See new schedules up online now. Download PDF

Effective Sept. 25, Route 37 incorrect on page 53 in Ride Guide

Route 37

Effective September 25, Route 37 has made route adjustments and will no longer travel Sabino Canyon and Cloud Roads. The route will terminate at Udall Station (Sabino Canyon/Tanque Verde). The route schedule and map in the upcoming Ride Guide (on pages 86-87) are correct but the change is NOT reflected on page 53 and is incorrect. Please refer to page 86 FOR CORRECT MAP.

Effective Sept. 25, Route 11 incorrect on page 53 in Ride Guide

Route 11

Effective September 25, Route 11 schedule and map in the upcoming Ride Guide (on pages 43-45) are correct but the route change is NOT reflected on page 53 and is incorrect. Please refer to page 43 FOR CORRECT MAP.

Road Widening Project Could Cause Delays on Route 21

Route 21

Final paving from Silverbell Road widening project could cause delays for Route 21 from October 24 through November 2.

Repaving Work On Irvington Could Cause Delays

Routes 2, 11, 12, 18, 23, 24, 25, 26, 27, 29, 50, 202X, 203X

Repaving work on Irvington between I-19 and 6th Avenue could cause possible delays due to lane restrictions from October 24 until November 4 to Routes 2, 11, 12, 18, 23, 24, 25, 26, 27, 29, 50, 202X, 203X.

Repaving Work Could Cause Delays

Route 3

Crews are scheduled to repave the intersection of Fifth Street and Rosemont Boulevard on Monday, November 21, 2016. The work will take place from 6 a.m. to 6 p.m and could cause delays on Route 3.


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.

Route 11 Detour Due Alvernon/22nd Project

Route 11

Due to the 22nd Street sewer augmentation project, starting on September 22, Route 11 will be unable to service stops on Alvernon and 22nd (NE corner), Alvernon and Santa Barbara (NE Corner) an dAlvernon and Hayne. Passengers are asked to please board at existing stops along the route and expect possible delays as all traffic will have one travel lane in each direction.

Route 5 Detour

Route 5

The following is the detour route during the road construction on Elm between Tucson Blvd and Country Club More details

4TH Avenue Street Fair Sun Link Streetcar Temp Route Adjustments

Fourth Avenue will be the host of the annual Fourth Avenue Winter Street Fair this weekend. To accommodate the street fair booths, there will be a temporary route adjustment for the Sun Link Streetcar, and Sun Tran buses will be used to shuttle streetcar passengers from temporary end point stops at Fourth Avenue and Ninth Street and University Boulevard and Third Avenue. More details