Parametrix brief: Liberty Lake network analysis recommends signals or roundabouts at key intersections

Feb 4, 2026

Parametrix presented a network analysis that identified intersections forecast to operate at LOS E-F and recommends mitigation (signals or roundabouts) for several locations and added cost estimates; staff said a resolution to adopt the report will be brought back to council.

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Consultants with Parametrix presented Liberty Lake's transportation network analysis at the Feb. 3 council meeting, identifying intersections that would degrade to level-of-service (LOS) E or F by 2028 and 2046 under projected growth and recommending mitigation options and cost estimates.

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