Transportation & Traffic Engineering

Connecting people in a smarter way.

Whether providing traditional or specialized transportation engineering services, Sewall has been leading the industry in innovation and sustainability for more than 140 years.

The requirement to maintain and improve our aging infrastructure is no small task. And those charged with maintaining and expanding our transportation system work constantly with the challenges of regional growth, increasing demand, and limited budgets.

Our Transportation team offers decades of experience and expertise in the study and design of roads, highways, bridges, bike paths, traffic signalization, and traffic impact studies.

Efficient and reliable traffic systems.

Our Transportation team offers decades of experience and expertise in the study and design of infrastructure that moves people: roads, highways, bridges, bike, and pedestrian paths, signalized intersections, roundabouts, and signals including cutting edge technology like RTMS, adaptive signals, and ITS.  Our staff has successfully obtained thousands of traffic movement permits across the New England region and particularly in Maine.

We provide assistance with the following:

  • Site Impact Traffic Studies
  • Traffic Signal Design
  • Municipal Review Services
  • Bicycle & Pedestrian Facilities Reviews
  • Parking Studies
  • Traffic Data Collection
  • Safety Studies
  • Corridor Traffic Studies
  • Temporary Traffic Control Plans
  • Traffic Movement Permit(s)
  • Intersection and Roadway Design
  • Planning – Feasibility Studies
  • Municipal Partnership Initiative (MPI) Work
  • Village Partnership Initiative (VPI) Work