Marshall has over 35 years of experience in traffic engineering, traffic operations, ITS, transportation infrastructure design, transportation planning, and telecommunications. His areas of expertise include ITS planning and design; transportation systems management and operations; integrated corridor management; telecommunications planning and design; traffic signal system design; highway and street design and operations; thoroughfare planning and analyses; highway corridor alternatives studies; parking studies; and traffic safety studies.
Prior to joining WSP, he was a vice president and local operations manager for a large international engineering consultant.