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Moving thousands of students around campus each day the Buff Bus routes (Williams Village/Bear Creek, Stampede and Marine Street Express) and the RTD Bus routes (Bound and HOP) are key cogs in CU Boulder’s transportation program. The Buff Bus connects students living in Williams Village and Bear Creek to main campus and operate through the fall and spring semesters when classes are in session. Please visit our Buff Bus FAQ for more information.

Campus Routes

bus frequency

Route Information and Schedules

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 (Mon - Fri):      
7:00 a.m. to 2:00 p.m. (every 4-6 minutes)
2:00 p.m. to 8:00 p.m. (every 6-8 minutes)
8:00 p.m. to midnight (every 10-12 minutes)

Hours of operation (Sat - Sun):
10:00 a.m. - midnight (every 24-26 minutes)

The Stampede bus route that connects Main Campus to the Discovery Drive area of East Campus.

Hours of operation (academic year schedule effective Monday, August 26):
Mon - Fri:            

7:00 a.m. to 8:30 a.m. (every 15 minutes)
8:30 a.m. to 4:30 p.m. (every 10 minutes)
4:30 p.m. to 7:45 p.m. (every 15 minutes)
7:45 p.m. to 10:00 p.m. (every 30 minutes)
Sat & Sun: 
no service

Hours of operation (school breaks/summer):
Mon - Fri:

7:00 a.m. to 5:45 p.m. (every 15 minutes)
5:45 p.m. to 6:30 p.m. (every 30 minutes)
Sat & Sun: 
no service

Use the Transit app to track the Buff­ Bus in real time with exact ETAs, notifications, and rider alerts.

The Marine Street Express is a campus shuttle route connecting the Marine Street area of East Campus to Main Campus. 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 18th Street (just south of Euclid Ave).

Hours of operation (academic year):
Mon - Fri: 
7:10 a.m. to 5:40 p.m. (every 30 mins) Departures from Marine Street /ARCE at 10 and 40 past the hour. Final bus leaves Marine Street/ARCE at 5:10 with last drop off at Euclid/CASE at 5:40pm Departures from UMC at 24 and 54 past the hour.
Sat & Sun: 
no service

Use the Transit app to track the Buff­ Bus in real time with exact ETAs, notifications, and rider alerts.

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.

On football game days both the Williams Village/Bear Creek bus and the Stampede 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.  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.

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, and Marine Street Express Buff Bus reroutes. Situations may occur where administration must change bus reroutes to accommodate safe and accessible roads to/from main campus. Use the Transit app to track the Buff­ Bus in real time with exact ETAs, notifications, and rider alerts.

RIDER ALERT:

  • Norlin Express runs only during finals week.

Norlin Express is continuous loop from Bear Creek Apartments/Williams Village to Colorado Avenue/18th Street (Norlin Library drop off/pick up location) every 20 minutes from midnight – 2:00 a.m.

Reduced/No Service

Certain areas become impassable during storms and construction and the Buff Bus may need to use alternative routes. Download the Transit app for alerts about delays due to traffic and weather. 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 via the Transit app.

No Service: All campus holidays and summer.

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

Lost & Found

On the day you lost the item, you may check with any Buff Bus driver to see if the item has been turned in. Found items are turned into Transportation Services' main office at 3205 Marine St. at the end of each day. Call us at 303-735-6244. Found items will be kept for 30 days, after which all unclaimed items will be donated or discarded.

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.