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Bus Service in Longmont

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COVID-19 Update 

Effective April 19, 2020, RTD will be implementing a decrease in service through the COVID-19 Service Plan due to a dramatic decline in ridership that has resulted from the recent coronavirus outbreak. Service levels will be gradually increased as conditions and ridership permit. RTD is proposing to change the service back to normal operations no later than September 20, 2020.

Local Changes

Starting Monday, April 20, Longmont’s local bus service (the 300 series of buses – 323, 324, 326, and 327) will operate on a Saturday schedule for Monday through Saturday operations; the Sunday service will continue as scheduled on the 324. The switch to a Saturday service compresses the current weekday schedule. Buses will now run from 8:00 am – 6:00 pm, with the exception of the Main Street 324 bus which will run until 7:00 pm. All of these local services will continue to be free to the transit riders under Longmont’s Ride Free program.

  • All local buses, except the 324, currently operate on hourly headways, meaning a bus serves a specific stop once each hour. There will be few impacts to the 323, 326, and 327 buses with this proposed schedule change.   
  • The Main Street (324) bus service currently operates every 30 minutes on weekdays. The coming changes will reduce service by half, running every hour under the new schedule. There will not be any changes to the Sunday service on this route.

Regional Changes

Service changes to the regional bus services between cities are as follows: 

  • The direct bus service (route LD1) to Denver will be limited to two morning and two afternoon “all stop” buses; express bus service will be eliminated. Longmont to Broomfield routes (LD3) will continue on a Saturday service schedule, allowing connections with the US-36 BRT services to and from Denver during other parts of the day.
  • The J-Route to East Boulder and the CU campus will be discontinued.
  • The BOLT bus to Downtown Boulder will be running once every hour, Monday thru Saturday. There will be no changes to the Sunday service on this route.

Additionally, the FLEX bus between Longmont and Ft. Collins will be suspended; the date for this change has not been finalized. Visit for updates.

Fare Collection Suspension and New Boarding Procedures

In addition to these service changes, beginning on Sunday, April 5, RTD has suspended fare collection on all buses and trains across the RTD system until further notice. The agency is working through processes for refunds and exchanges on applicable fare products. A rear-door boarding and exiting system has also been implemented to provide another layer of social distancing between operators and riders. Passengers with disabilities should continue to board RTD vehicles at the front, where a wheelchair lift is available, if needed. RTD’s over-the-road coaches used on regional routes have front doors only and passengers will continue to board and deboard from the front on those buses.

The Longmont FlexRide (formerly call-n-Ride) service will run from 6 a.m. – 6 p.m. as demand requires. Rides must be booked by reservation only. This service will also be free to riders.

For more information, visit Contact RTD directly about any questions regarding these services changes by calling 303-299-6000.


Ride Free Longmont


You can enjoy buzzing about town for free – all day, every day! Ride Free Longmont provides unlimited trips on Longmont’s local buses at no charge to riders. No cards, passes, or ID are needed to ride the local routes. Ask for a transfer and receive credit towards the fare on RTD regional bus routes. The program is paid for through the City’s Street Fund.

**Free service is funded through 12/31/2021**

For rider information and trip planning, visit >



The Regional Transportation District (RTD) is the public transportation service provider for the Denver Metro region, and it includes bus service to/from Longmont. RTD services are funded through a combination of federal transportation dollars, fares and a 0.6 percent sales tax (6 cents for every $10 dollar purchase). Because one option does not fit all users, RTD attempts to provide appropriate service for different situations and users. Service types include:

  • Bus Service: Local, Express, and Regional
  • Light or Commuter Rail Service (does not currently extend to Longmont)
  • FlexRide (formerly Call-n-Ride) offers curb-to-curb service, like a taxi, within Longmont
  • Park-n-Ride
  • Bike-n-Ride
  • SkyRide (service to Denver International Airport from designated Park-n-Ride lots throughout the region)
  • Access-a-Ride provides curbside and door-to-door travel options for people with disabilities. It's free within Longmont for those who qualify
  • Transportation to special events such as Broncos and Rockies games can be accessed at designated Park-n-Ride lots for a cash-only fare

For an in depth explanation about the local and regional RTD buses, how to utilize trip planning applications, fare structures,  transfers, the MyRide Smart Card, and parking, please view the How to Ride RTD presentation by Commuting Solutions.

Eco Passes, which can be purchased by employers for their employees, provide unlimited access to all transit services with the exception of the Broncos and Rockies Rides.

Visit the RTD website to find fares, schedules, and other rider information.


The FasTracks plan includes rapid transit (commuter- or light-rail) in six corridors throughout the Denver Region. One of the corridors includes US-36 from Denver to Boulder and the Diagonal Highway (SH-119) from Boulder to Longmont. FasTracks includes a commuter-rail connection from Denver through Boulder to Longmont via the existing Burlington Northern/Santa Fe Railroad line.

The Northwest Area Mobility Study (NAMS) developed a prioritized list of mobility improvements for the northwest area of the Regional Transportation District’s (RTD) service area. The goal was to determine if there is a more cost-effective way to improve mobility in the area that could be implemented sooner than current projections for when RTD could complete the Northwest Rail Line to Longmont. The study began in the spring of 2013 and was completed in 2014. Visit RTD FasTracks to view the Northwest Area Mobility Study.

For More Information on RTD Services

Contact RTD


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

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 and Longmont. Transfers to Denver and Boulder through the RTD bus system are available in Longmont. Midday, FLEX provides service between Fort Collins and Loveland.

Visit the FLEX website to find fares, schedules, and other rider information >



Other Local Transit Options

Via Mobility offers transportation services to Longmont seniors (65+) and others of any age who cannot drive. The service is fare-based ($5 one-way) with reduced and no-fare options available for those who qualify. Learn more on the Via website >

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