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9th Avenue Improvements

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Airport Road to Hover Street


9th Avenue from Airport Road to Hover Street is designated as a principal arterial within the City’s Envision Longmont plan with a posted speed limit of 45 mph. The current configuration of 9th Avenue consists of one 11- to 12-foot travel lane in each direction. There are limited on-street bike facilities or sizable paved shoulders on 9th Avenue along the entire segment.

The 9th Avenue Improvement Project consists of improvements to multimodal transportation access as well as vehicular and cyclist safety. In addition, this project addresses the aging pavement condition of 9th Avenue through rehabilitation or reconstruction of the existing asphalt pavement followed by an asphalt overlay.

Goals and Planned Improvements

The graphic below shows the proposed improvements along 9th Avenue compared to existing conditions. Click on the graphic or here to open a PDF file that may be downloaded or viewed in closer detail.

9th Ave Improvements 2


There are three primary goals associated with the 9th Avenue Improvement Project:

  1. Provide maintenance and repair to aging asphalt pavement
  2. Enhance support of various methods of multimodal transportation, specifically cycling
  3. Improve vehicular and cyclist safety along the corridor

Planned Improvements

Planned improvements support one or more of these goals. Below is a summary of proposed improvements and the goals that they support:

Proposed Improvement
Goals Supported
Rehabilitation of existing asphalt pavement through asphalt reconstruction and an asphalt overlay.
 1 & 3
Addition of paved on-street bike lanes (buffered & non-buffered) along the entire length of 9th Avenue. This will require minor widening of 9th Avenue between Iron Court and Wade Road.
2 & 3
Installation of various traffic calming features, such as travel lane width reductions and driver feedback radar speed displays.


Community Involvement

Communication and coordination with neighborhoods north and south of 9th Avenue is underway. A public meeting took place on Jan. 15 at the Longmont Field Operations Facility on Airport Road. Residents within the vicinity of the project received a direct invitation. Those that attended the meeting provided constructive feedback about the project. The City is currently evaluating how to incorporate feedback from residents into the final design of the project.

The presentation delivered at the public meeting is available for viewing. It is best viewed on a desktop computer, laptop or tablet. Please allow time for the presentation to fully load–which may vary depending on your connection speed–and then use the left and right arrow keys to move through the presentation. View the public presentation.


Construction is expected to begin in early summer 2020. A letter providing additional information will be provided to all residents who received invitations to the public meeting. Roadside message boards will be placed along 9th Avenue to provide notice prior to the start of work. The anticipated project duration is 4 to 5 weeks.


The 9th Avenue Improvement Project construction estimate is $1,270,000. This cost will be funded by the 3/4-cent Street Fund Sales and Use Tax.

Construction Impacts

  • Due to the narrow pavement width of 9th Avenue, construction will require temporary lane closures while work is underway.
  • A portion of 9th Avenue between Iron Court and Hayden Court must be reconstructed. During this reconstruction phase, 9th Avenue will be closed to through traffic. A detour route will be signed and publicized during that time.
  • Local area residents will always be granted 24-hour access to and from their properties.
  • Construction will be phased to limit impacts as much as practical, but impacts should be expected and alternate routes will be necessary.


Project Manager Alden Jenkins

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