Traffic StudiesTJKM works with municipalities and private clients to fully analyze the traffic impacts associated with a proposed development and provide appropriate mitigation measures to alleviate more >
Signal DesignTJKM has designed over 2,000 traffic signals throughout California. read more >

Welcome to TJKMTJKM is a traffic engineering and transportation planning firm serving Northern California, Central California and Nevada. With offices in Pleasanton, Fresno, Sacramento, and Santa Rosa, TJKM offers a wide range of services with special expertise in traffic impact studies, signal design and timing, traffic operations, and long-range planning, including travel demand modeling.
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