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  1. Firm Overview
    Founded in 1989, TPD is a transportation engineering firm headquartered in Pottstown, PA, serving public and private sector clients throughout the Mid-Atlantic region. We are a client-focused, team-oriented firm that prides itself on providing sustainable engineering solutions for our clients, teaming partners, and ultimately, the traveling public. We take pride in our work, as well as the “road, bridge, or trail” we’ve taken to get there.

  2. Transporation Planning Icon
    Transportation Planning
    and Permitting
    Having provided over 3,000 studies for a vast array of clients, TPD has established a reputation throughout the Mid-Atlantic region, as a leading expert in Transportation Planning.


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  3. Complete Streets
    and Trail Design
    TPD’s designs are cognizant of and safely support all users: pedestrians, cyclists, drivers, and so on. We are proud of the complete streets and trail design work we have completed and continue to support active transportation alternatives for communities.


    Learn More

  4. Bridge Design and Inspection Icon
    Bridge Design and 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. Our inspectors work in accordance with the National Bridge Inspection Standards (NBIS), are PennDOT Certified Bridge Safety Inspectors (C.B.S.I.), and have completed PennDOT CoRe Element Assessment and BMS2 I-Form training.


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  5. Traffic Signal and
    System Design
    TPD's Traffic Signal Design Team has the manpower and specific knowledge to provide prompt response and expert service for any traffic signal modernization project. Our staff members are trained in the use of the most current versions of software packages used in the design and coordination of traffic signal systems.


    Learn More
  6. Environmental Services and Permitting Icon
    Environmental Services
    and Permitting
    TPD’s Environmental Services Team is capable of performing studies for a wide variety of environmental projects ranging from simple noise studies to wetland delineations to complex Environmental Impact Statement (EIS) projects.


    Learn More
  7. Construction Management and Inspection Icon
    Construction Management
    and Inspection
    TPD’s Construction Services Team is comprised of fully-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. Our inspectors have experience with roadway, structures, streetscape, and trail construction projects. This experience includes federally funded, locally-sponsored, and state projects.

    Learn More

  8. Highway Design Icon
    Highway Design
    Our Highway Design Team delivers high quality designs to meet and exceed client expectations on interchange reconfigurations, interchange rehabilitations, corridor/intersection improvements, toll plaza rehabilitations, and park and ride facility expansions.


    Learn More
  9. Expert Witness Support for Accident Investigatinos Icon
    Expert Witness Support for
    Crash Investigations
    TPD has extensive Expert Witness Testimony experience, having worked on nearly 600 cases. Several members of TPD’s staff possess expert testimony experience spanning cases involving Highway Safety, Internal Circulation, Work Zones, Utility Poles, Signals, Lane Marking, Parking, Sight Distance, Pedestrians, School Zones, Detours, Road Closures (short- and long-term), and more.


    Learn More
Services Overview
Founded in 1989, TPD is a transportation engineering firm headquartered in Pottstown, PA, serving public and private sector clients throughout the Mid-Atlantic region. We are a client-focused, team-oriented firm that prides itself on providing sustainable engineering solutions for our clients, teaming partners, and ultimately, the traveling public. We take pride in our work, as well as the “road, bridge, or trail” we’ve taken to get there.
Transportation Planning and Permitting
Having provided over 3,000 studies for a vast array of clients, TPD has established a reputation throughout the Mid-Atlantic region, as a leading expert in Transportation Planning.


View Projects


Complete Streets and Trail Design
TPD’s designs are cognizant of and safely support all users: pedestrians, cyclists, drivers, and so on. We are proud of the multimodal work we have completed and continue to support active transportation alternatives for communities.


View Projects


Bridge Design and 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. Our inspectors work in accordance with the National Bridge Inspection Standards (NBIS), are PennDOT Certified Bridge Safety Inspectors (C.B.S.I.), and have completed PennDOT CoRe Element Assessment and BMS2 I-Form training.


View Projects


Traffic Signal System and Design
TPD's Traffic Signal Design Team has the manpower and specific knowledge to provide prompt response and expert service for any traffic signal modernization project. Our staff members are trained in the use of the most current versions of software packages used in the design and coordination of traffic signal systems.


View Projects


Environmental Sevices and Permitting
TPD’s Environmental Services Team is capable of performing studies for a wide variety of environmental projects ranging from simple noise studies to wetland delineations to complex Environmental Impact Statement (EIS) projects.


View Projects


Construction Management and Inspection
TPD’s Construction Services Team is comprised of fully-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. Our inspectors have experience with roadway, structures, streetscape, and trail construction projects. This experience includes federally funded, locally-sponsored, and state projects.


View Projects


Highway Design
Our Highway Design Team delivers high quality designs to meet and exceed client expectations on interchange reconfigurations, interchange rehabilitations, corridor/intersection improvements, toll plaza rehabilitations, and park and ride facility expansions.


View Projects


Expert Witness Support for Crash Investigations
TPD has extensive Expert Witness Testimony experience, having worked on nearly 600 cases. Several members of TPD’s staff possess expert testimony experience spanning cases involving Highway Safety, Internal Circulation, Work Zones, Utility Poles, Signals, Lane Marking, Parking, Sight Distance, Pedestrians, School Zones, Detours, Road Closures (short- and long-term), and more.


View Projects


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featured story - TPD President, Named to Governor-Elect Wolf’s Transition Review Team