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Traffic & Transportation Engineering

Carroll Engineering provides comprehensive and innovative multimodal traffic and transportation engineering solutions for all our public and private-sector clients throughout the Pennsylvania, Delaware and New Jersey areas. Answers that are constructible, maintainable, economical, and sustainable. Our expertise encompasses all project phases, from planning to design and construction management.  Our extensive knowledge helps us envision the patterns and needs of existing transportation systems and execute plans that improve and transform them for maximum efficiency and sustainability. We research and investigate the connection between travelers and the transportation system and design strategies to enhance the experience of operations throughout the region. Clients recognize our capacity for understanding local standards and preferences consciously integrated into each design. Our clients include state agencies, municipalities, Fortune 500 firms, and residential and commercial developers.

Services:

  • Traffic Engineering Representation for Municipalities in PA, NJ & DE
  • Traffic Signal Design
  • Highway Occupancy Permits (HOP)
  • Traffic Signal Permits (TSP)
  • Traffic Impact Studies
  • Safety Studies
  • Bicycle and Pedestrian Studies
  • Speed Management
  • Intersection Improvements
  • Roadway Widening
  • Maintenance and Protection of Traffic
  • Signing and Pavement Marking
  • Traffic Calming
  • Roundabout Design
  • ADA Design
  • Utility Relocation
  • Streetscape Design
  • Land Development Reviews
  • Construction Services

Our Services

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Carroll’s Traffic & Transportation Engineering Featured Projects

Station Road-Old Bethlehem Pike Roundabout
Location: Richland Township, Bucks County, PA

Station Road, originally a state highway, was “turned back” to Richland Township so it could make changes to the intersection.  This was the first roundabout to be constructed in the State of Pennsylvania and has reduced accidents significantly at this previously signalized intersection.

CEC designed the roundabout, with the approach roadway entering at a perpendicular to slow traffic within the circle.   The center island’s 20-foot-wide concrete apron, which accommodates large vehicles, is treated with a product that simulates field stone to match the old Shaw homestead on the corner.

Wayne Business District Streetscape
Location: Radnor Township, Delaware County, PA

CEC utilized aerial imagery, PennDOT maps, and GIS data to create a base map for the corridor. We conducted a PA One Call for utility conflicts before a detailed field view. The project consisted of the removal and replacement of approximately 60 trees. CEC prepared a general site plan as well as traffic control and pedestrian safety control. Also, we included parking lot striping and tree replacement details, with input from the Township Arborist.

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