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FLEX Regional Service

Welcome to FLEX!

FLEX is a regional bus route serving stops between Fort Collins, Loveland, Berthoud, Longmont, and Boulder. This service is operated by Transfort and is made possible through regional partnerships.

FLEX offers a variety of options to maximize the convenience and accessibility to communities in Northern Colorado. During peak morning and evening times, FLEX provides service connecting Fort Collins, Loveland, Berthoud, Longmont, and Boulder. Transfers to the RTD bus system are available in Longmont and Boulder. Additionally, FLEX provides mid-day service between Fort Collins and Loveland.

View the FLEX schedule - pdf

FLEX Between Boulder and Fort Collins

View the FLEX schedule - pdf

FLEX Video

Enjoy a one seat express ride from Fort Collins to Boulder, which serves the following limited stops:

  • Fort Collins - Downtown Transit Center, CSU, and South Transit Center
  • Loveland - 8th Street
  • Longmont - Downtown Longmont and Village at the Peaks Mall
  • Boulder - Boulder Junction, Downtown Boulder, and CU

This service provides five trips each weekday, two in the morning and three in the afternoon/early evening. A one-way trip takes approximately 1 hour 30 minutes.

Service restrictions: Within Boulder County and the RTD service area passengers may only de-board FLEX at southbound stops and only board FLEX on northbound stops.

Longmont residents: use FLEX to visit Fort Collins, Loveland and Berthoud. Use BOLT to visit Boulder.

Boarding Instructions: When boarding FLEX from a MAX station enter at the front door, pay your fare and/or scan your pass.

The newly extended FLEX route is made possible with Transfort's partners:

Special thanks to RTD for their FLEX route support.


- Single ride: $1.25
- Seniors (60+), Disabled & Medicare: $0.60
- Youth (17 and younger) with approved ID: Free
- CSU students, faculty, and staff with valid RamCard: Free
- RTD EcoPass and CollegePass accepted
- COLT passes accepted


- Passengers may transfer to and from FLEX on COLT and other Transfort routes.
- Passengers will need to pay RTD fare or use an RTD pass to board the RTD system. Pass and pricing information can be found at rtd-denver.com.

FREE WiFi: WiFi is funded by Transfort and provided by FRII. Once on board, access the internet and email through the network: Password: TRANSFORT. Help Desk: 970.212.0710. Note that service may not be available on all buses and is subject to periodic outages.

Bikes on FLEX: All FLEX buses can accommodate three bikes mounted to the front bike rack. No bikes are permitted inside the FLEX to Boulder bus.

All Abilities Access: All FLEX buses are equipped with lifts and ramps.

FLEX Funding

FLEX is locally funded and made possible through partnerships between Fort Collins, Loveland, Berthoud, Longmont and Boulder County.

Contact FLEX Service Partners

Transfort – Fort Collins 970.221.6620
COLT – Loveland 970.962.2700
RTD – Denver/Longmont/Boulder 800.366.7433

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FLEX Holidays

FLEX does not operate on the following dates/holidays:

January 1
Memorial Day
July 4
Labor Day
Thanksgiving Day
December 25