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Carlson Drive Improvements

Carlson Drive Existing Conditions

Figure 1 - November 2014: Existing Intersection of Carlson Drive and H Street, facing North & South respectively

Project Description

Community concerns over bicycle related accidents at the Carlson Drive and H Street intersection prompted the City to investigate the intersection and surrounding area. Based on the findings of the investigation, the City procured HSIP grant funding and initiated the project to make safety improvements within the project area. The proposed improvements include signal upgrades to improve visibility, additional signing, new crosswalks, marked green bike lanes to clarify lane channelization, bike boxes for left turns, and innovative new two-stage left turns for bicyclists.

Carlson Drive Improvement Plans

Figure 2 - Proposed Intersection Improvements. Download Hi-Res PDF


The project will improve bicyclist and pedestrian safety by providing new crosswalks, upgraded pedestrian paths of travel on the west side of Carlson Drive, clear designation of bicycle rights-of-way through use of colored and buffered bike lanes, and improved opportunities for cyclists to safely make left turns.

Costs and Funding

The estimated total project cost is approximately $1.7 million (planning, design, and construction). The project is funded primarily through Federal Highway Safety Improvement Program grant funds with matching funds provided by local transportation tax measure dollars.


The project completed construction in August 2017


Elizabeth Weeks, Associate Engineer
Office: (916) 808-2330