Founded in 1989, TPD is an ENR 500 Top Design Firm, delivering projects throughout the eastern United States.
Transportation Planning & Permitting
Having provided over 3,000 studies for a vast array of clients, TPD has established a reputation throughout the eastern United States, as a leading specialist in Transportation Planning.
Bridge Design & Inspection
TPD’s Structures Design Team has demonstrated success in delivering structure projects for construction, including bridge superstructures and substructures, culverts, retaining walls, and noise walls.
Traffic Signal & ITS Systems Design
TPD has established itself as an authority in traffic signal design and ITS signals system operations, intimately familiar with the broad range of services required to successfully complete signal-related projects timely and efficiently.
Construction Management & Inspection
TPD’s Construction Services Team is comprised of qualified and certified individuals possessing specialized construction oversight and inspection expertise, design experience, and highly developed management systems to provide our clients with a complete project resource.
Environmental Services & Permitting
TPD has provided Environmental services for public and private sector clients related to Transportation Engineering projects since its inception in 1989.