Moving thousands of students around campus each day the Buff Bus routes (Williams Village/Bear Creek, Athens North and Marine Street Express) and the RTD Bus routes (Stampede, Bound and HOP) are key cogs in CU Boulder’s transportation program. 

Campus Routes

The Willilams Village Buff Bus parking in front of Folsom StadiumThe Williams Village/Bear Creek and Athens North buses are administered by PTS and sponsored by Housing and Dining Services. The campus shuttles connect students living in Williams Village, Bear Creek and Athens North to main campus and operate through the fall and spring semesters when classes are in session. Please visit our Buff Bus FAQ for information on holiday closures, event reroutes and lost and found. 

The Williams Village/Bear Creek bus route operates Monday - Sunday throughout the fall and spring semesters when classes are in session. The route runs clockwise with stops at Bear Creek, Williams Village, Engineering Center, C4C, Euclid/CASE, Physics, Math and Colorado/30th Southside. Hours of operation are: Mon. - Fri. from 7:00 a.m. - midnight, Sat. & Sun. from  10:00 a.m. - midnight, with Late Night Transit Thursday, Friday and Saturday nights from midnight - 3:00 a.m.

The Athens North bus route operates Monday - Friday throughout the fall and spring semesters when classes are in session. The route runs clockwise, and stops at Stadium Plaza, Technology Learning Center and Athens North. Hours of operation are: Mon. - Fri. from 7:00 a.m. - 10:00 p.m (every 20 minutes, departing Athens at the top of the hour, 20 minutes past the hour, and 40 minutes past the hour) with the last Athens departure at 9:40pm. There is no service on Saturday or Sunday.

RIDER ALERT: Starting Monday, Jan. 14, the Stampede's East Campus terminal will shift from the Jennie Smoly Caruthers Biotechnology Building stop on Innovation Drive to the stop at Discovery Drive and Colorado Avenue in front of the Sustainability, Energy and Environment Community (SEEC), eliminating layovers by the biotech building. Schedule adjustments will also be made. More details about the route and schedule can be found on the Stampede page on RTD's website

The Stampede offers transit between CU Boulder’s Main Campus and the Discovery Drive area of East Campus. Buses run Monday through Friday, 7 a.m. to 8:30 p.m. (every 10 minutes from 7 a.m. to 5:30 p.m. and every 15 minutes from 5:30 p.m. to 8:30 p.m.) Visit the RTD Stampede webpage for the Stampede schedule and route map.

RIDER ALERT:  In response to rider feedback, Marine Street Express departure times will shift 5-7 minutes earlier, effective Tuesday, Jan. 22, 2019. Departures from the Marine Street stop near the ARCE building and Transportation Center on East Campus shift to 10 minutes and 40 minutes past the hour (between 6:40 a.m. - 6:40 p.m.). Departures from Main Campus from the University Memorial Center are estimated at 23 minutes and 53 minutes past the hour (between 6:53 a.m. -.6:53 p.m.).

The Marine Street Express is a campus shuttle route connecting the Marine Street area of East Campus to Main Campus. The Marine Street Express operates Monday through Friday from 6:40 a.m. to 6:40 p.m., with no Saturday/Sunday service. This express route serves two stops along Marine Street and three on Main Campus: the Engineering Center/Lot 436, the Center for Community (C4C) and the University Memorial Center (UMC). The bus leaves Marine Street every 30 minutes at 10 minutes and 40 minutes past each hour, with buses leaving the main campus UMC stop at approximately 23 minutes and 53 minutes past the hour. Service will begin with the first bus leaving Marine Street at 6:40 a.m. The last bus each day will leave Marine Street at 6:40 p.m. and complete the half-hour loop to Main Campus and back.

The HOP bus route is a bi-directional loop that connects campus with downtown Boulder and the 29th Street Mall.  For bus stop locations and details, visit the City of Boulder's website, or download the Transit App.

Late Night Transit features three lines of service connecting Williams Village, UMC, the Hill, and Pearl street until 3am on Thursday, Friday and Saturday nights of the regular semester. The HOP changes to the Late Night Transit routes at 10:00pm and the Buff Bus changes at midnight. Regular routes and schedules are run prior to that. Please visit the Environmental Center’s Late Night Transit website for details.

On football game days both the Williams Village/Bear Creek bus and the Athens North bus alter their routes one hour before football games to one hour after the game. The Williams Village/Bear Creek Football Reroute[1] runs clockwise, and stops at Williams Village, C4C, Regent, Colorado & 30th and Bear Creek. The Athens North Football Reroute[1] runs from Athens North along Broadway to UMC and returns to Athens North. On basketball game days, the Williams Village/Bear Creek bus alters its route one hour before the game to one hour after the game. The Basketball Reroute[1] runs clockwise, and stops at Williams Village, Regent/Broadway, IMIG, Physics, Math, Colorado & 30th and Bear Creek.

During finals week the Norlin Express bus will run a continuous loop from Bear Creek/Williams Village to the Colorado Avenue/18th Street bus stop (Norlin Library drop off/pick up location) from midnight through 2:00 a.m. A bus should arrive every twenty minutes.

Campus tree covered in snowInclement Weather Buff Bus Reroutes

When the weather outside is frightful...the bus is so delightful....let it snow, let it snow, let it snow. But remember snowy weather can cause road closures and bus reroutes. Review the Buff Bus Inclement Weather Reroute map for the Williams Village, Athens North and Discovery Express Buff Bus reroutes. Situations may occur where administration must change bus reroutes to accommodate safe and accessible roads to/from main campus. Students should check the CUBusTracker app for campus bus updates and reroute alerts. Commuting students riding to/from campus via RTD bus routes are encouraged to sign up and receive RTD Rider Alerts.

Reduced/No Service

There will be certain times during the fall and spring semesters when the Buff Bus runs on a limited schedule or does not run at all. When limited service or no service will be provided, Transportation Services will keep you updated with the schedule.

No Service: All campus holidays and summer.

Reduced Service: Beginning of semesters, finals and campus closures.

Lost & Found

If you lose an item while riding the Buff Bus you may check with any bus driver, on the same day, to see if it has been turned in. Items found on the buses and not claimed will be turned into Transportation Services' main office at the end of each day. Items will be kept for 30 days after which all unclaimed items will be donated or discarded.

Storm Tips & Delays

Certain areas become impassable during storms and construction and the Buff Bus may need to use alternative routes. Follow CUBuffBus on Facebook and Twitter for delays due to traffic and weather.  You can also text "followCUbuffbus" to 40404 to subscribe to Twitter.

  • Board the bus 30 minutes prior to your class start time to allow yourself enough time to arrive on campus.
  • During snow and inclement weather leave earlier for class times.
  • Be aware of your surroundings. If something doesn't seem right, alert your driver.
  • If the University of Colorado is closed, there may be no Buff Bus service.

Maps on this page are not fully accessible for users who employ screen readers and other assistive devices. If you use assistive technology and need access please contact the Customer Service Specialists at (303) 735-PARK (7275) for assistance.