SEPI uses forethought and innovative approaches to analyze existing and proposed facilities, recommend cost-effective solutions, reduce congestion, and improve area mobility while promoting safety for pedestrians, bicyclists, and motorists. Our traffic engineers and designers have extensive experience with all facets of traffic engineering design and operational analysis and are well-versed in Federal and State guidelines. They are also familiar with various analysis and design software packages. SEPI has experience developing Transportation Management Plans for interstate projects, diverging diamond interchanges, urban widening, rural improvements, roundabouts, bridge realignments, stage constructed bridges, onsite and offsite detours. We have been selected for nine consecutive years for the Traffic Engineering Limited Services Agreement with NCDOT, four consecutive years for the NCDOT On-Call Data Collection project, and was recently reselected to perform traffic engineering services for the Wake County Public School System.
SEPI is currently contracted to provide planning, public involvement, roadway design, hydraulic and erosion control, natural environment, traffic control, pavement marking services, and surveying.View Project
SEPI was responsible for survey, roadway design, hydraulics design, utility design/coordination, traffic control and pavement marking design, traffic signal and ITS design, and signing for Green Level High in Cary, NC.View Project
SEPI prepared preliminary plans, right-of-way plans, and construction plans for approximately 0.4-miles of urban widening along Ligon Mill Road between US-1A and Wal-Mart driveway in Wake Forest, NC.View Project
SEPI is responsible for initial data collection and engineering design including traffic analysis, ADA compliance/accessibility reviews, preliminary roadway design plans, landscape architecture, and estimates.View Project
SEPI was responsible for the offsite roadway improvement designs and survey for the E-33 Elementary School Development in Cary, NC.View Project
SEPI provided project management, roadway design, drainage design, erosion control, traffic control, pavement marking, and signing.View Project
SEPI was responsible for site design, traffic image, and signal warrant analyis for an 18 acre future CarMax site.View Project