• Aerial view of the NCDOT I-85 Rehabilitation project in Warren County, North Carolina. Our Transportation Design department provided infrastructure services for this project.
  • SS-4905BM Mini Roundabout at the intersection of Carver Street/Broad Street and Kenan Road in Durham, North Carolina where we provided Transportation Design services for the project.
  • View of one of the greenways that is a part of the Town of Hillsborough Riverwalk in Hillsborough, North Carolina.Our team provided several services for this project including Land Development, Transportation Design, Architecture, Surveying, Construction Materials Testing and Geotechnical Engineering.
  • Culvert replacement in Hillsborough, North Carolina that is part of an NCDOT Design-Build project in Divisions 6 and 7 where we provided Transportation Design services.
  • Aerial view of the intricate design for the NCDOT I-85 Rehabilitation project that our Transportation Design team provided services for.


Developed and structured specifically for NCDOT and public sector transportation projects, Summit's transportation design department concentrates on in-house transportation engineering expertise and maximizes collaboration between our transportation-related disciplines. Summit's principals and key project personnel have extensive experience in the programming, planning, design and construction of the full range of public sector transportation projects, including pedestrian/greenway facilities, urban widening, rural bridge replacements, and major interstate construction and reconstruction.

Summit's professional staff has a wealth of experience not just in project development and engineering design, but in total project delivery inclusive of construction, inspections, contract administration and project certification. A primary strength of Summit's transportation infrastructure department is the direct integration of construction experience into the design process. Comprehensive project delivery experience yields the fundamentals of our transportation infrastructure approach: "Designing for constructability and serviceability."

Core Markets

  • State Roadways
  • Municipal Roadways
  • Greenways and Sidewalks
  • Bridges and Culverts
  • Hydraulic and Hydrologic Design

Office Locations

504 Meadowlands Drive
Hillsborough, NC 27278

Phone: 919.732.3883

100 E. Six Forks Road, Suite 300
Raleigh, NC 27609

Phone: 919.322.0115

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