The Regional Transportation District (RTD) operates local and regional bus routes, commuter and light rail lines, and specialty shuttle service and para-transit services in the Denver metro region. RTD provides transit service in Westminster including the following bus and rail services. 

Learn about RTD's comprehensive system (map)how to ride in any one of their buses or trains, and how to park at the stations. 


A number of local and regional bus routes serve Westminster neighborhoods and Park-N-Rides. To learn more about bus routes serving Westminster and the region, including schedules, visit the RTD website

B Line (commuter rail)

The six-mile B Line commuter rail line provides rail service between Westminster Station and Union Station in downtown Denver where riders can connect to the C, E, and W light rail lines, the University of Colorado A Line (to the Denver International Airport), as well as local and regional buses and downtown Denver shuttles. Trains run every 30 minutes apart during rush hours and an hour apart at all other times. 

Learn more about the B Line.

Flatiron Flyer (bus rapid transit)

The Flatiron Flyer is RTD’s Bus Rapid Transit (BRT) service connecting Denver to Boulder and all points in-between. Two stations (US 36 and Sheridan and US 36 and Church Ranch) are located in Westminster along the US 36 corridor, providing Westminster residents and visitors with frequent, convenient and reliable options when traveling along the Front Range. Learn more about the Flatiron Flyer destination and schedules at RTD's Flatiron Flyer website.


RTD’s Access-a-Ride service provides local bus transportation in the Denver metro area for people with disabilities, as long as the starting point in the trip and destination are within 3/4 mile of RTD’s local fixed-route transit system. Learn more about Access-A-Ride

Trip Planning

Transit trip planning assistance available in multiple formats:

There are a number of trip planning apps available for your smart phone, for example the Transit app.

Transportation commute options information is also available through Commuting Solutions (US 36 corridor), Smart Commute Metro North (I-25 corridor north of Denver), and DRCOG's Way-to-Go program (Denver metro region). 


RTD offers riders convenient parking options throughout the region. There are four Park-n-Rides located in Westminster served by multiple bus routes, with some locations also served by enhanced transit services like the Flatiron Flyer bus rapid transit and B Line commuter rail:  

  • Westminster Station Park-N-Ride (6995 Grove St.)
  • US 36 and Sheridan Station (5025 W. 88th Place)
  • US 36 and Church Ranch Boulevard (10452 Town Center Drive)
  • Wagon Road Park-N-Ride (600 W 120th Ave)

If your vehicle is registered at an address within RTD boundaries, you may park for free the first 24-hour period every day you park. For parking that extends beyond the first 24 hours, a daily fee applies. Outside of RTD district vehicles, a daily fee applies. Learn more about park-n-ride fees

Vehicles may not be parked continuously for longer than 30 consecutive days. Vehicles parked greater than 30 consecutive days without being moved may be subject to ticketing and towing at the owner's expense. When parking at RTD Park-N-Ride facilities for extended time while traveling via the University of Colorado A Line or SkyRide bus service, parking fees will apply. Learn more about long-term parking, and parking for airport travel and transportation


All RTD buses are equipped with two bike racks at the front of the bus, and regional buses have front bike racks and baggage bins to store bikes. Bikes are allowed on commuter rail trains on a space-available basis. Learn more about bike storage and bringing your bike with your on bus and rail transit