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 3 Westbound - Construction Detour, October 26 - 28

    Due to construction, Route 3 Westbound will be on detour beginning October 26 26 until 6 PM October 28.

    The following stops will not be serviced:

    5th St / Alvernon Way (NW)

    5th St / Dodge (NW)

    5th St / Palo Verde (NW)

    5th St / Jones (NW)

    Riders can use the following stops:

    - 6th Street/Country Club Road (NW)

    - 5th Street/ Irving Avenue (NW)

    Routes

    • 3 - 6th St./Wilmot
  • Help Shape the Future of Transit! Take the Pima County Transportation Survey Today Through November 16. Click here to take survey.
    Global
  • Route 2 Northbound - Event Detour Starting October 31

    Due to the Congress Street closure, Route 2 Northbound will be on detour starting at 4 p.m. on October 31 until 3 a.m. on November 1.

    The following stops will not be serviced:

    - Cushing / Main (SE)

    - Church / Ochoa (SE)

    Riders can use the following stops:

    - Main Avenue/17th Street (NE)

    Routes

    • 2 - Tucson Marketplace
  • Route 12 Northbound- Event Detour Starting October 31

    Due to the Congress Street closure on Halloween, Route 12 Northbound will be on detour starting at 4 p.m. October 31 until 3 a.m. November 1.

    The followings stops will not be serviced:

    - Cushing / Main (SE)

    - Church / Ochoa (SE)

    Riders can use the following stops:

    - Main Avenue/17th Street (SE)

    Routes

    • 12 - S. 12th Ave
  • Route 16 - Event Detour Starting October 31

    Due to the Congress Street closure on Halloween, Route 16 will be on detour starting at 4 p.m. October 31 until 3 a.m. November 1.

    The following stops will not be serviced:

    6th Av / 14th St (SW)

    6th Av / 12th St (SW)

    6th Av / 17th St (NE)

    6th Av / 15th St (NE)

    6th Av / 12th St (SE)

    Riders can use the following stops:

    - 6th Avenue/ 20th Street (SE)

    - Ronstadt Transit Center (Bay L or A)

    - 6th Avenue/18th Street (SW)

    Routes

    • 16 - Oracle/ S. 6th Ave
  • Route 21 Eastbound - Event Detour Starting October 31

    Due to the Congress Street closure on Halloween, Route 21 Eastbound will be on detour starting at 4 p.m. October 31 until 3 a.m. November 1.

    The following stop(s) will not be serviced: Broadway Boulevard/Church Avenue (SW)

    Riders can use the following stops:

    - Congress Street/Granada Avenue (SW)

    - Ronstadt Transit Center (Bay D)

    Routes

    • 21 - W. Congress/Silverbell
  • Route 23 Southbound - Event Detour Starting October 31

    Due to the Congress Street closure on Halloween, Route 23 Southbound will be on detour starting at 4 p.m. October 31 until 3 a.m. November 1.

    The following stops will not be serviced:

    4th Av / 17th St (SW)

    4th Av / 15th St (NW)

    4th Av / 13th St (SW)

    12th St / Herbert (SE)

    Riders can use the following stops:

    - Ronstadt Transit Center (Bay H)

    - 4th Avenue/20th Street (NW)

    Routes

    • 23 - Mission
  • Route 3 Westbound - Construction Detour Starting October 26

    Due to construction, Route 3 Westbound will be on detour beginning October 26 26 until 6 PM October 28.

    The following stops will not be serviced:

    5th St / Alvernon (NW)

    5th St / Dodge (NW)

    5th St / Palo Verde (NW)

    5th St / Jones (NW)

    Riders can use the following stops:

    - 6th Street/Country Club Road (NW)

    - 5th Street/ Irving Avenue (NW)

    Routes

    • 3 - 6th St./Wilmot
  • Halloween On Congress Street: Ride with Us and View Event Detours! Click here for more information.
    Global
  • Bus Stop Discontinued: Speedway Blvd/Campbell Ave Until Summer 2028

    Due to construction, the Speedway Boulevard/ Campbell Avenue (NW) stop is temporarily discontinued until Summer 2028. This will affect Sun Tran Routes 4, 5, and Sun Express Routes 103X and 105X.

    Sun Tran riders can use the following stops:

    - Speedway Boulevard/Plumer Avenue (NW)

    - Speedway Boulevard/ Warren Underpass (NW)

    Sun Express riders can use the following stops:

    - Speedway Boulevard/ Warren Underpass (NW)

    Routes

    • 4 - Speedway
    • 5 - Pima/W. Speedway
    • 103X Northwest - Downtown Express
    • 105X Foothills - Downtown Express
  • Route 1 & 6 No Longer Servicing Broadway Blvd/4th Avenue Bus Stop

    Effective March 13, Route 1 and 6 will no longer service the stop at Broadway Boulevard/Fourth Avenue (SW).

    Riders can use the following alternate stops:

    - Ronstadt Transit Center

    Routes

    • 1 - Glenn/Swan
    • 6 - Euclid/N. 1st Ave.