Serving Transportation professionals since 1995


Regardless of the firm’s size or need, all clients receive the same cost-effective and timely service.

Tri-State Traffic Data works with clients from:

  • State Transportation Departments
  • County Transportation Departments
  • Transportation Engineering Firms
  • Private companies seeking traffic data information


Tri-State Traffic Data has been working with government agencies on the state and county levels for decades. As a go-to traffic data collections company, Tri-State has completed a multitude of projects big and small.

Government agencies we work with include:

  • Pennsylvania Department of Transportation
  • Delaware Department of Transportation
  • New York Department of Transportation
  • Virginia Department of Transportation
  • Wilmington Area Planning Commission (DE)
  • Town of Thurmont (MD)
  • Frederick County (MD)
  • Lackawanna County Planning Department (PA)
  • Lebanon County Planning Department (PA)
  • Cambria County Planning Department (PA)
  • Centre County Regional Planning Agency (PA)
  • Southwestern Pennsylvania Planning Commission (PA)
  • Northeast Pennsylvania Alliance (PA)
  • Northern Tier Planning Commission (PA)
  • Lansdale Police Department (PA)
  • Atlantic County (NJ)
  • City of Ithaca (NY)


Tri-State Traffic Data performs traffic data services for a growing number of engineering consultants located throughout the Northeast and Mid-Atlantic states. We have developed long term business relationships with over 150 engineering firms of all different sizes. The services we perform range from small, one intersection manual count projects to very large, city or corridor wide data collection projects.

Some of our clients include:

  • Pennoni Associates
  • Whitman Requardt Associates, LLP
  • L&V Engineering
  • Traffic Planning and Design
  • Rettew
  • Jacobs Engineering
  • Michael Baker Corporation
  • Maser Consulting
  • McCormick Taylor
  • Langan
  • Stantec
  • McMahon Associates
  • Kimley Horn
  • Gannett Flemming
  • Landmark Science and Engineering
  • Duffield Associates
  • Becker Morgan Group