Welcome To William Popp Associates
WILLIAM POPP ASSOCIATES is a civil engineering consulting firm specializing in the planning, operations, engineering,
design and funding of traffic and transportation systems. The firm was started by the principal in 1976 after seven
years management experience in the transportation planning division of the Puget Sound Council of Governments,
preceded by eight years in private practice with a national transportation planning and engineering consulting firm that was one of the pioneers in the travel demand modeling field.