TJW Engineering, Inc. (TJW) is a professional civil engineering consulting firm specializing in traffic engineering design and transportation planning services. Our team of professional engineers and certified experts has over 75 years of combined years of project management and design experience in traffic engineering and transportation planning. Since opening our doors in 2010, TJW has prepared and designed hundreds of traffic engineering design plans and transportation studies throughout California and neighboring states. As a certified small business firm in California, we provide sound and cost-effective design solutions and studies on projects large and small for engineers, architects, developers, contractors, and public sector clients.