Expertise

Highway and Structures Design

TPD staff members have worked on over 300 highway design projects for state (DOT), municipal, and private clients. Highway design projects involve a variety of plans including construction plans, cross sections, construction details, driveway profiles, pavement marking and signing plans, tabulation sheets, special provisions and specifications, cost estimate, and traffic control plans.

TPD’s Structures Design Team includes two licensed professional engineers and a senior CAD manager with 15 years experience, all of whom have worked together on structure design projects as a team for over 5 years. Their individual experience includes major structure projects for PennDOT Districts 8-0, 6-0, 5-0, and 3-0.

Transportation Planning / Traffic Studies

TPD has completed over a dozen Project Needs, Congestion Mitigation System (CMS) Studies, and Safety and Mobility Initiative (SAMI) Studies for PennDOT and regional planning agencies including the PA 72 Needs and Feasibility Study (www.pa72.com) in Lancaster County, PA and the Kennett Area Regional Study, Chester County, PA.

TPD’s quality studies and meeting expertise have assisted in responsible transportation planning and obtaining timely approvals for over 2000 studies for private, municipal, and state clients. TPD’s President, Kevin Johnson, P.E., has established a reputation as a leading expert in Transportation Planning throughout his 20-year career; while John Hendricks (with TPD since 1997), brings his 30 years of PennDOT experience to bear on some of TPD’s most difficult projects.

Traffic Signal Design and Planning

TPD's Traffic Signal Design Team has the manpower and specific knowledge to provide prompt response and expert service for traffic control projects. Our nine-member traffic signal team is comprised of engineers and designers with proven expertise in every aspect of traffic signal plan review, design, and coordination for both the public and private sector.

TPD's experience includes the management and preparation of large and complex state (DOT), municipal, and private traffic signal design projects, including the 49-signal Closed Loop System for the Central Business District. TPD's traffic signal experts are IMSA certified in Work Zone Traffic Control and Traffic Signal Inspection.

HOP Design and Review

For an unprecedented third consecutive term, TPD is the Prime Consultant to PennDOT on our third 30-month long $1 million contract to provide Highway Occupancy Permit (HOP) review assistance in District 6-0 (Greater Philadelphia Region). TPD is Prime Consultant on a similar review assistance contract in District 8-0 (Greater Harrisburg Region). As a result of this experience, TPD staff have established a reputation as the experts in the area of HOP design and review. TPD’s thorough knowledge of PennDOT’s personnel, priorities, and practices with regard to HOP applications enables us to prepare plans that easily meet the Department’s expectations.

As part if the PennDOT District 8-0 HOP contract, TPD has prepared a PowerPoint Presentation regarding HOP procedures and design on behalf of the District, which has been presented to over 100 engineering consultants.

Municipal Services

One of the greatest advantages we bring to our municipal clients is our thorough understanding of what it takes to complete a study/design review. Not only has TPD completed over 160 reviews for twelve municipalities over the past twelve years, but the firm has also been responsible for the completion of eight township-wide or Impact Fee studies and over a dozen corridor studies.

TPD is uniquely qualified based on our comprehensive approach that accounts for operational, environmental, structural, economic, and social aspects of transportation planning and design projects. Through our daily involvement with municipal and private clients’ transportation projects, our project managers have become accustomed to a high level of interaction and close coordination with PennDOT, municipal officials, the public, and the media.

Environmental Services

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. TPD personnel have also completed environmental projects such as the Phase I Environmental Site Assessment (ESA) study for TPD’s Schwenksville Area Corridor Study and work on an EIS for the ongoing I-95 and New Jersey Turnpike Project.