TPD was recently recognized by Lehigh Valley Business (LVB) as the #7 Top Engineering Firm, as well as the #47 Privately Held Business on their 2013 business lists. With a Lehigh Valley office located in downtown Allentown providing transportation engineering services to both private and public sector clients, TPD has played an integral role in the area’s economic and infrastructure development. LVB is the newspaper of record for the Lehigh Valley with readership over 35,000.

Currently and in recent past, TPD has continued to contribute to the development of the region, providing transportation engineering services for the following local projects: the Promenade Shops at Saucon Valley, the new PPL Center arena in Allentown, and the newly planned Route 33 Bridge Replacement related to a new interchange in Palmer Township.

TPD has become a widely recognized organization for its exemplary employee benefits program, including an aggressive professional development program and flex-time policy that is extremely popular with employees. Operating in six locations, TPD is a client-focused, team-oriented firm that prides itself on working seamlessly as “One Company with Multiple Locations” as a way to leverage the considerable expertise of professional staff to achieve project success.

From PA offices in Allentown, Pottstown, Harrisburg, Pittsburgh and Doylestown, and a NJ office on the Camden Waterfront, TPD’s team of professionals specializes in Highway Design, Bridge Design and Inspection, Transportation Planning, Traffic Signal System Design, Streetscape and Trail Design, Environmental Services and Permitting, Construction Management and Inspection, as well as Expert Witness Work For Accident Investigations for a diverse range of clients in both the public and private sectors.