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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. Companywide, we have performed over 1,000 roadway-related improvement projects for both public and private sector clients. Our Highway Services Department employs a staff of 80 members and is equipped to provide experience and knowledge in the design and construction of roadways and related projects 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

We “right-size” our proposed improvements, catered to each individual project and client’s needs. The solutions we deliver strive to check all boxes for our clients. We typically serve the following organizations:

  • Toll commissions / authorities
  • Departments of Transportations (DOTs)
  • Municipalities
  • Counties
  • Contractors