Practice Areas

Traffic Engineering

Traffic Engineering

Improving area mobility and safety in active communities

SEPI traffic engineers and designers help communities reduce congestion and improve area mobility while promoting safety for pedestrians, bicyclists, and motorists. Through analysis of existing and proposed facilities, SEPI recommends cost-effective solutions for current and future traffic needs for a variety of clients in the private and public sector. 


Traffic data collection
Traffic forecasting
Traffic impact analysis
Traffic safety analysis
Access management
Capacity analysis using Synchro/SimTraffic, HCS & Sidra
Traffic analysis using advanced modeling software (TransModeler & VISSIM)
Traffic signal design
Work zone traffic control design
Highway signing
Pavement marking design

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SEPI [A Division of TranSystems]