TPD’s Highway Services Department has existed since the firm’s inception in 1989. The firm’s designs are woven into the fabric of the geographic areas TPD serves. Our highway designers and engineers also provide technical support to TPD’s Structural Services Department on a variety of assignments including bridge replacement and rehabilitation projects.


We employ an experienced team of highway engineers, designers, and technicians who understand all facets of highway design.

– Construction Plans
– Traffic Control Plans
– Detour Plans
– Signing & Pavement Marking Plans
– Erosion & Sediment Pollution Control Plans
– Post Construction Stormwater Management Plans
– Lighting Plans
– Traffic Signal Plans
– Right-of-way Plans


– Cross sections
– Cost estimates
– Specifications
– NPDES permitting
– Stormwater management facility inspection
– Pavement design
– Construction scheduling
– Public involvement
– Utility coordination


The Highway Services Department is equipped to provide experience and knowledge in the design and construction of roadways and related projects. Our Department leaders are highly regarded professionals in the industry with exceptional client service skills.

Limited access reconstruction and widening
– Limited access rehabilitations
– Interchange reconfigurations
– Corridor / intersection improvements

– Toll plaza rehabilitations
– Park and ride facility expansions
– Bridge replacements & rehabilitations
– Streetscape improvements



– Toll Facility Owners (Bridge & Roads)
– Department of Transportations
– Municipalities
– Counties
– Contractors


– Professional Engineer (PE)
– Professional Traffic Operations Engineer (PTOE)
– Certified Professional in Erosion and Sediment Control (CPESC)

Limerick Township, Montgomery County, PA

Service(s): Highway Design. Construction Management and Inspection Services, Traffic Signal & ITS Systems Design & Environmental Services & Permitting
Client(s): Limerick Township

Municipality of Princeton, County of Mercer, NJ

Service(s): Highway Design
Client(s): County of Mercer

East Marlborough Township, Chester County, PA

Service(s): Multimodal, Complete Streets & Mobility Services, Traffic Signal & ITS Systems, Municipal Engineering Services, Highway Design
Client(s): East Marlborough Township