CU Boulder provides passes for students and qualifying employees. The passes provide access to all Local, Limited, Express and Regional bus service, in all fare zones, including the SkyRide bus service to DIA*. Just tap your pass on the card reader as you get on the bus, show the pass to the driver and find a seat.

(*Not valid on special services, including but not limited to Access‑a‑Ride, BroncosRide, BuffRide, RockiesRide, RunRide, Saturday Shopper, and SeniorRide.)

EcoPass-RTDEcoPass Eligibility

Eligible Faculty/Staff & Retirees

  • Full-time faculty/staff at CU Boulder
  • Systems staff
  • Part-time continuing employees - Working a 50% or greater full time percentage appointment. Continuing employees include Classified Staff, University Staff and Faculty with permanent appointments. 
  • Retirees -  Employees who have retired from and returned to work on the CU Boulder campus.

Not Eligible

  • Employees of other CU campuses (except for System employees)
  • Part-time employees working less than 50% time
  • Students – Students have a separate College Pass program
  • Volunteers, contractors, spouses and other family members
  • Temporary employees
  • CU retirees who do not have an active work appointment on the Boulder Campus or for CU System.

Not sure if you are eligible?
Email your question and employee number to

Obtaining or Replacing Your EcoPass

  • EcoPasses are distributed by the Buff OneCard Office, located in the Center for Community (C4C) room N180. Phone: 303-492-0355.
  • New employees who are eligible for an EcoPass will receive their smart card at the same time as their Buff OneCard (university ID card). If you did not receive your cards, email or call the Buff OneCard office about obtaining them. You will need to provide your employee id number, a headshot if you don't have one on file, and must have completed your I-9 verification through HR prior to requesting the EcoPass.

  • Lost cards - The fee to replace a lost EcoPass is $10. You can pick it up in person or have the Buff OneCard Office mail it you by contacting them.

  • Non-Working Cards - If your EcoPass has stopped working, you can receive a replacement at no cost by swapping in your old card at the Buff OneCard Office.

Smart Card Not Working?

If your pass shows as either "Dormant" or “Invalid” when scanned on the bus, please send an email to

CollegePass-RTDThe Student Bus Pass provides free rides on front range public transit routes including the RTD skyRide route that travels to Denver International Airport (DIA). The CU Environmental Center administers the Student Bus Pass Program; visit the Student Bus Pass web site for more information.