Coffman Street Mobility Improvements

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

Do you want to learn more about other 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. Check out these upcoming Downtown Projects.

Project Status

Updated: Aug. 7, 2024.

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

Latest Updates:

July 29 – August 9: The diagonal parking spaces on the east side of Coffman St. between Longs Peak Ave. and 8th Ave. will be closed.
July 29 – November: Xcel Energy is lowering the gas line on Coffman St. between 5^th Ave. and 2^nd Ave. in preparation for construction on Coffman St.
August 8 – August 23: Work happening on the northwest corner of the intersection at Coffman St. and Longs Peak Ave.

The westbound lane of Longs Peak Ave. will be closed at the Coffman St. intersection. There will be no left turns from Coffman St. onto Longs Peak Ave.
Eastbound Longs Peak Avenue on either side of the intersection will remain open to through traffic.
Pedestrian traffic at the northwest corner will be closed. Pedestrians will need to detour to the south side of Longs Peak Avenue to cross Coffman St.
Both lanes of Longs Peak Ave. between Main St. and Coffman St. will remain open. Westbound traffic on Longs Peak Ave. will be able to turn north onto Coffman St.

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.
Pedestrian access from 9th Ave. to Coffman St. is on the east side of Coffman St. only. The 9th Ave. crosswalk on the west side of Coffman St. is closed.

Winter Shutdown: December 9, 2024 – January 17, 2025 (Estimated)

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 switchover 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.

A side-running hybrid (mixed traffic) transit model was chosen as the final design. This will improve safety, mobility, and access through the corridor while maintaining community character.

Project Map

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

Download a PDF of the project corridor

Project Schedule

Design Complete – December 2023
Bid Advertisement – March 2024
Construction Award – April 2024
Construction Start – May-June 2024
Construction Period – Anticipated 24 months

FAQs

Why is Coffman Street being changed?

In 2016 the Longmont City Council adopted Envision Longmont, a Multimodal and Comprehensive Plan for the City. Part of the Envision Longmont process specifically called out the effort to better define Enhanced Multiuse Corridors (EMUCs). In 2018, the Enhanced Multiuse Corridor Plan was completed, including Coffman Street as one of the key corridors. One unique piece of the Coffman Street corridor, that was not part of the other corridors in the plan, was the inclusion of a separate busway. The plan also showed the addition of separated bike facilities, and improved pedestrian features.

The existing 8th & Coffman transit transfer facility will be moved to the future transit/transportation hub at 1st Avenue & Main Street (1^st & Main Station). This new facility and the improved Coffman Street will provide the spine of the transit system in Longmont when both projects are completed. The 2020 Subregional Transportation Improvement Plan (TIP) funding for this project includes dollars for design beginning 2021, with construction dollars programmed to begin in 2024.

Will Coffman Street be closed during construction?

Portions of Coffman Street will be partially closed during construction. The project will be phased so that only 2-3 blocks will be under active construction at the same time. Only one direction of traffic will be allowed on the blocks being constructed. Detour signs will direct traffic to Terry Street or Main Street to access Coffman Street from either the north or south, depending on which lane of traffic is open. Pedestrian access will be provided via sidewalks, cross-streets or alleyways. Walk-arounds will be provided when specific sections of sidewalks are under construction.

What are the hours for construction?

Construction will occur between Monday – Friday from 7 am – 7 pm. There may be times when work is required on the weekends due to weather and other factors. Notification will be provided under the Project Status section at the top of this page.

How will parking be affected?

During construction, parking will not be allowed on Coffman Street on the blocks under active construction. The project will be phased so that only 2-3 blocks will be under construction at the same time. When construction is complete, on-street parking be available in some areas to accommodate the different types of motorists that need to park. Off-street parking developed alongside new residential & commercial buildings, will ensure that enough parking is provided along Coffman Street.

See the 2022 Downtown Longmont Parking Data Collection & Analysis for more information about parking along this corridor.

Will the City be removing trees on Coffman Street?

A limited number of trees will be removed to accommodate the new design. However, many of the existing trees will be maintained and additional landscaping features will be added between the sidewalks and bicycle lanes.

Will the speed limit be reduced on Coffman Street?

The current posted speed limit on Coffman Street is 25 mph. This will be maintained during and after construction.

When will construction be completed?

The project will take approximately 2 years to complete. Construction will start in the spring of 2024 and is expected to be complete in early 2026.

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