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TucsonSun Tran

Sun Tran 4 bus

Speedway

73 % on time

Sun Tran 4 bus Stop List and Next Departures

The Sun Tran 4 - Speedway bus serves 56 bus stops in the Tucson area departing from Broadway / Houghton Park&Ride and ending at Downtown Ronstadt Center (E). Scroll down to see upcoming 4 bus times at each stop and the next scheduled 4 bus times will be displayed. The full 4 bus schedule as well as real-time departures can be found in the Transit app.

Downtown
Golf Links
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Stops
Sat, May 9, 2026
Sun Tran Speedway map

Sun Tran 4 bus route map

The Sun Tran 4 - Speedway bus route map is shown above. The route map shows you an overview of all the stops served by the Sun Tran 4 bus to help you plan your trip on Sun Tran. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 4 bus is approaching your stop.

See the detailed route map

Sun Tran 4 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 4 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by Sun Tran so that you can plan your trip around any active or future disruptions.

See all alerts

Sun Tran 4 bus Service Frequency

The next 4 bus leaves Broadway / Houghton Park&Ride at 9:58 AM, and arrives at Downtown Ronstadt Center (E) at 10:55 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

Sun Tran 4 bus On-Time Performance

73 % on time

73% of riders report that the Sun Tran 4 bus arrived on time on their previous trip. In the past 30 days, 130 riders reported on the on-time performance of the 4 bus. Compared to other Sun Tran lines, the 4 bus is ranked 12 out of 38 Sun Tran lines. These on-time performance stats are user reported and may differ from official Sun Tran metrics. See more details about on time, late or early departure reports for the 4 by opening the Transit app.

See all on-time performance details

Sun Tran 4 bus FAQ

  • What time does the next Sun Tran 4 bus depart from Broadway / Houghton Park&Ride?

    The next 4 bus leaves Broadway / Houghton Park&Ride at 9:58 AM, and arrives at Downtown Ronstadt Center (E) at 10:55 AM. The total trip time for the next Sun Tran 4 bus is 57 min.

  • Is the Sun Tran 4 bus running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the Sun Tran 4 schedule by downloading the Transit app.

  • When does the next Sun Tran 4 bus arrive?

    You can see the next Sun Tran 4 bus times in the app as well as future departure times for the 4 bus.

  • How many bus stops are there for the Sun Tran 4 bus?

    There are 56 stops on the Sun Tran 4 bus.

  • Is the Sun Tran 4 bus usually crowded?

    You can find real-time information on Sun Tran 4 bus crowding levels in the Transit app (available in select cities or on select trips). You can also see predictions on how crowded the bus will be when it gets to your bus stop.

  • Is the Sun Tran 4 bus currently running?

    Find out the current status for the Sun Tran 4 bus in the Transit app.

  • What is the closest Sun Tran 4 bus stop to me?

    Open the Transit app to see your location on a map and find the closest 4 bus stop to where you are.

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