Title
Discussion and Possible Action of Roadway Improvement Alternatives to Trinity Drive from Oppenheimer Drive to Knecht Street
Recommended Action
I move that Council select alternative(s) _________ [1, 2, 3 and/or 4] for further consideration for Trinity Drive roadway improvements and direct the County Manager to return with a Resolution of support for the selected preferred alternative.
County Manager's Recommendation
The County Manager recommends that Council approve the motion and include the preferred design alternative as presented.
Body
Following completion of a Road Safety Audit in 2016, Los Alamos County was awarded $4.25 million in Federal Highway Safety Improvement Program (HSIP) funding through the New Mexico Department of Transportation (NMDOT) for design, right-of-way acquisition and construction of safety improvements along the section of Trinity Drive (NM502) from Oppenheimer Drive to Knecht Street. Trinity Drive (NM 502) is a state-owned highway.
Los Alamos County contracted with Wilson & Company Inc. for preliminary engineering to develop roadway alternatives for the project area based on review of the 2016 Safety Audit recommendations. A survey of existing conditions, traffic data collection and an engineering analysis was completed to develop possible alternative improvements to this section of the Trinity Drive corridor.
The alternatives proposed have been developed in accordance with the goals of the Road Safety Audit to address roadway safety issues related to multi-modal safety and mobility. County planning documents including the Downtown Master Plan and Bicycle Transportation Plan, as well as state and national design standards were utilized in the development of project alternatives. Attachment A details the alternatives analyzed. The recommended alternatives are summarized as follows:
1. Alternative 1 (Road Diet): Includes one 12-ft lane in each direction with a center 14-ft two-way left-turn lane, on-street bike lanes in bo...
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