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Alerts and Detours ⚠

Transit construction and/or event detours, and alerts are published below.

To view detours or delays on the Trip Planner Tool, click HERE.

Once the page loads, select “Alerts” located at the top right corner of the screen (see image below).

Image with a finger icon pointing to the Alerts tab.
  • Route 4 Transit Service Changes Beginning August 16

    Beginning August 16, Route 4 will now service Udall Station, replacing service to the Golf Links Park and Ride.

    The following stops will no longer be serviced:

    - Kolb / 3rd St (NE)

    - Kolb / 3rd St (SW)

    - Kolb / 5th St (NE)

    - Kolb / 5th St (SW)

    - Kolb / Kingston (NE)

    - Kolb / Kingston (SW)

    - Kolb / K-Mart (NW)

    - Kolb / Broadway (SW)

    - Kolb / Broadway (NE)

    - Kolb / Bonnie Brae (SW)

    - Kolb / Bonnie Brae (NE)

    - Kolb / Timrod (SW)

    - Kolb / Timrod (NE)

    - Kolb / Princeton (SW)

    - Kolb / Princeton (NE)

    - Kolb / 22nd St (SW)

    - Kolb / 22nd St (NE)

    - Kolb / Sylvane (NE)

    - Kolb / C Centuri (SW)

    - Kolb / 29th St (NE)

    - Kolb / C Ileo (SW)

    - Kolb / C Osita (NE)

    - Kolb / Golf Links (NE)

    - Golf Links / Park & Ride

    Riders can use Route 9 to travel to the Golf Links Park & Ride.

    Routes

    • 4 - Speedway
  • Route 8 Transit Service Changes Starting August 16

    Beginning August 16, Route 8 will extend service to Houghton Road. It will no longer travel to Udall Station.

    The following stops will not be serviced:

    - Wilmot / Broadway (NE)

    - Wilmot / Carondelet (NW)

    - Wilmot / Carondelet (NE)

    - Wilmot / 5th St (SW)

    - Wilmot / 5th St (NE)

    - Wilmot / Speedway (SW)

    - Wilmot / Speedway (NE)

    - Wilmot / Fairmount (SW)

    - Wilmot / Fairmount (NE)

    - Wilmot / Lee (NW)

    - Tanque Verde / 6390 E Tanque Verde (EB)

    - Tanque Verde / 6445 E Tanque Verde Rd (WB)

    - Tanque Verde / 6534 E Tanque Verde (EB)

    - Tanque Verde / Grant (NW)

    - Tanque Verde / Cmo Principal (SE)

    - Tanque Verde / Indian Ruins (NW)

    - Tanque Verde / Indian Ridge (SE)

    - Tanque Verde / Sabino Canyon (NW)

    - Sabino Canyon / Tanque Verde (SE)

    Riders can use Route 4 or Sun On Demand Zone 3 to travel to Udall Station.

    Routes

    • 8 - Broadway
  • Route 9 Transit Service Changes Starting August 16

    Beginning August 16, Route 9 will extend to Pima Community College East, replacing service to Udall Station.

    The following stops will not be serviced:

    - Tanque Verde / Indian Ruins (NW)

    - Tanque Verde / Sabino Canyon (NW)

    - Sabino Canyon / Tanque Verde (SE)

    Riders can use Sun On Demand Zone 3 or Route 4 to travel to Udall Station.

    Routes

    • 9 - Grant
  • Route 102X & 104X Transit Service Changes Starting August 16

    Beginning August 16, Routes 102X and 104X will merge into a single route, creating new Route 124X. Service along Speedway Boulevard and Campbell will be discontinued.

    The following stops will not be serviced:

    -Toole / 7th Av (NE)

    -Speedway / Stone (SE)

    -Speedway / 6th Av (SE)

    -Speedway / Olive Underpass (SW)

    -Speedway / Highland Underpass (SW)

    -UA Mall (Inside)

    -Campbell Av / Speedway (NE)

    -Campbell Av / Adams (NE)

    -Campbell Av / Adams (NW)

    -Campbell Av / Speedway (SW)

    -Speedway / Campbell (NW)

    -Speedway / Warren Underpass (NW)

    -Speedway / Highland Underpass (NW)

    -Speedway / Olive Underpass (NE)

    -Stone / Speedway (SW)

    -Stone / Franklin (SW)

    -Stone / Alameda (NW)

    Riders can use Route 103X or transfer at Ronstadt Transit Center to Route 4 to travel to Speedway Blvd/Campbell Ave.

    Routes

    • 102X Northwest - UA Express
    • 104X Marana - Downtown Express
  • Sun On Demand Zone 3 Launches on Tucson's East Side August 16! Click Here to Learn More.
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  • Bus Stop Discontinued: Ajo Way/Juvenile Court (Westbound)
    Due to construction, the stop at Ajo Way/Juvenile Center westbound will not be serviced until further notice. Riders can use the following stop: - Ajo Way/Pima County Sheriff's Department (westbound)

    Routes

    • 11 - Alvernon/ Ajo
  • Construction Detour: Route 25 Southbound Beginning May 28

    Due to construction on Park Avenue, Route 25 Southbound will be on detour beginning May 28.

    The following stops will not be serviced:

    - Euclid Avenue/12th Street (SW)

    - Park Avenue/18th Street (SW)

    - Park Avenue/20th Street (SW)

    - Park Avenue/22nd Street (SW)

    - Park Avenue/25th Street (NW)

    - Park Avenue/Silverlake Road (SW)

    - Park Avenue/31st Street (SW)

    - Park Avenue/34th Street (NW)

    - Park Avenue/35th Street (SW)

    Riders can use the following stops:

    - Ronstadt Transit Center

    - Broadway Boulevard/4th Avenue (SW)

    - Park Avenue/37th Street (NW)

    Routes

    • 25 - S. Park Ave.
    Map of Route Change
  • Discontinued Stop: Route 29, January 16- December 2026

    Due to construction, bus stop on Calle Torim/Camino Cocoim (NW) is temporarily discontinued until December 2026.

    Riders can use the following stops for Route 29:

    - Calle Torim/Camino Tetaviecti (NW)

    - Call Torim/Wellness Center

    Routes

    • 29 - Pascua Yaqui/Banner UMC South
  • Sun Tran Hiring Open Houses, Tuesdays & Fridays 9-11 a.m. or Thursdays 1-3 p.m.
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