Coffman Street Mobility Improvements - City of Longmont
A rendering of the crossing of Coffman St and 9th Avenue as viewed from the south
Project Overview

The Coffman Street Mobility Improvements project extends from 1st Avenue to 9th Avenue and will become a world-class and truly multi-modal corridor. It will provide the City with:

  • Robust public transit (local, regional and BRT buses), with a near-term future hub just south of 1st Avenue
  • Strong bicycle connections to and from downtown, including to the critical east/west Greenway and to the vibrant Old Town section of the City
  • Better and wider space for pedestrians, up and down the corridor

Do you want to experience the new downtown Coffman Street corridor?

Check out an interactive StoryMap that showcases the future  design and highlights what is being constructed.

Visit the StoryMap

Want to learn more about projects happening in downtown Longmont?

The Coffman Street Mobility Improvements project is just one of many new projects that will transform the area over the next few years. Explore more upcoming Downtown Longmont Projects.
Project Status

Updated: Sept. 25, 2024.

Construction started at the end of June 2024 and is expected to be completed in the summer of 2026.

Latest Updates:
  • Southbound Coffman St. is closed between Longs Peak Ave. and 6th Ave.
  • Construction continues on the intersection of Coffman St. and Longs Peak Ave.
    • One lane of through traffic is open.
    • A flashing red signal will be in place indicating a 4-way stop until the signal arm is removed.
    • Temporary 4-way stop signs will be added during construction on the intersection.
    • The stop signs will be removed and a new traffic signal installed when construction is complete.
  • Both lanes of traffic and all parking are closed on 6th Avenue west of Coffman Street to the alley between Coffman St. and Terry St.
  • Xcel Energy is lowering the gas line on Coffman St. between 5th Ave. and 2nd Ave. Parking is prohibited in the areas under construction.

 

Phase 1 (West Side): June 2024 – December 2024

  • Work happening on the west side of Coffman St. between 9th Ave. and 6th Ave.
  • Traffic is one-way only in the northbound lane of Coffman St. between 9th and 6th Avenues.
  • Southbound traffic is prohibited on these blocks. Left turns are also prohibited from westbound 9th Ave. to Coffman St.
  • The left turn lane from northbound Coffman St. to 9th Ave. is closed. Northbound traffic and bicyclists must use the center through lane to turn left.
  • On-street parking is currently prohibited on the west side of Coffman St. between 9th and 6th Avenues.
  • The 9th Ave. crosswalk on the west side of Coffman St. is closed. Pedestrians must cross on the east side of Coffman St.

Phase 1 (East Side): January 2025 – June 2025 (Estimated)

  • When construction is completed on the west side of Coffman St., it will move up the east side from 6th Ave. to 9th Ave.
  • Traffic will switch over and be one-way only in the southbound lane of Coffman St.

Phase 2: February 2025 – June 2026 (Estimated)

  • From 6th Ave. to 2nd Ave. with a similar west to east progression as Phase 1.
  • Parking will be prohibited in the areas under construction.
  • A majority of driveways from Coffman St. will remain open unless a temporary closure has been approved by the property owner.

 

cross section of plan for Coffman Street, showing parking, a bus lane, and two travel lanes
Project Map

The following map illustrates the project corridor and area of focus:

A Project Line Map of the proposed Coffman Street Busway
Project Schedule
  • Design Complete – December 2023
  • Bid Advertisement – March 2024
  • Construction Award – April 2024
  • Construction Start – June 2024
  • Construction Period – Anticipated 24 months

Coffman Street Mobility Improvement Project FAQs

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