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Student fees pay for students to have a bus pass each semester through their Buff One Card, which can be used for free bus rides throughout Boulder and the Denver metropolitan area including rides to Denver International Airport (DIA) and the Eldora Mountain ski area. .

The Buff Bus provides free transit around the main campus to 30th Street. The Buff Bus operates each day and night throughout the fall and spring semesters when classes are in session. .

Late Night Transit

The Late Night Transit bus route provides expanded hours of operation on Thursday, Friday and Saturday nights in conjunction with the start of CU's fall semester (Late August). Late Night transit operates on its regular route every 15 minutes from 10 pm to midnight on these nights and connects Boulder's main activity centers, downtown, CU, and Twenty Ninth Street. The Black, Gold, and Silver Line routes run Thursday, Friday and Saturday nights, from midnight until 3 am.

Parking

Students may purchase student permits to park on-campus. For more information on rates and parking lot locations visit Parking and Transportation Services.

Biking

Many students enjoy biking to campus and around Boulder. Bicycle registration is mandatory at CU. Register your bike at the Â鶹Ãâ·Ñ°æÏÂÔØBike Station just east of the UMC from 9 a.m. to 5 p.m., Monday through Friday. Bring your bike, your student ID, and $10 to register. To learn more about the Bike Program, or find local bike routes, visit . Don't have a bike?  is a community nonprofit formed to implement and operate a bike-share system. Or visit the Environmental Center for information on short-term and semester-long bike rentals.

​Â鶹Ãâ·Ñ°æÏÂÔØBoulder has launched Way to Go, a social network for ridesharing. Way to Go is a simple way to find friends, classmates, and co-workers who are going the same way you are. For more information please see Parking and Transportation Services.

PTS ²¹²Ô»åÌý, a local non-profit, have collaborated to provide a campus carsharing service available to students, faculty, and staff. Three vehicles are located in the UMC/Farrand Field areas. Three more are located at outlying housing areas with one each at Bear Creek, Williams Village, and Newton Court. Members may use any of the 23 vehicles in the eGo fleet: eight cars in Denver, six on our campus, nine elsewhere in Boulder including a pick-up truck stationed at McGuckin Hardware.

An inexpensive rideshare service operating in Boulder and Denver.