Commitment to Our Mission

Founded in 1989, TPD is an ENR 500 Top Design Firm, delivering projects throughout the eastern United States.

We exist to improve the quality of life for the public, and are dedicated to Moving Forward Together® with clients and community partners; we continue to realize this mission and our goals by providing tailored, sustainable project solutions, leveraging our diverse backgrounds and experiences.

Transportation Planning and Permitting


Traffic Signal & ITS Systems Design


Highway Design


Construction Management & Inspection


Municipal Engineering


Bridge Design & Inspection


Multimodal, Complete Streets & Mobility Services


Environmental Services & Permitting


Expert Witness Support for Crash Investigations



NJ, PA, DE, VA, & MD

East Marlborough Township, Chester County, PA

East Whiteland & Charlestown Townships, Chester County, PA

We are currently seeking professionals in
various disciplines and locations.

Recent News