Our group understands the importance of transportation infrastructure in economic development, community revitalization, and global connections.

We provide a wide range of services to transportation clients (federal, state, local, and private). We are experienced in taking a project from the planning phase through construction administration, providing planning, survey, design, environmental permitting, traffic engineering, and construction management. In addition, we offer Construction Engineering Inspection (CEI) and Operations & Maintenance (O&M) services.

Transportation Projects


Specialties Include

  • Environmental Planning:
  • SEPI prepares all environmental documents that comply with NEPA requirements that determine the impact of construction projects on the human/natural environment including:
  • Phase I Environmental Site Assessment
  • Public involvement
  • NEPA environmental documentation (EIS, EA/FONSI, CE)
  • Corridor & feasibility studies
  • Section 4(f)/Section 6(f) documentation
  • Air and noise quality analyses
  • GIS and spatial analyses