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Expertise:
Traffic & Technology View All People

Leif Garnass, PE, PTOE

Project Director - Traffic & Technology
Minneapolis, MN

Leif leads SRF’s ITS/CAV & Traffic Engineering practices. His responsibilities include leading intersection, corridor, roundabout, and freeway alternatives analysis and studies. He also has extensive experience visualizing and simulating multimodal traffic flows, including automobiles, trucks, buses, light rail transit, heavy rail, bicyclists, and pedestrians. Leif is proficient in the use of Synchro/SimTraffic, Highway Capacity Software (HCS), RODEL, CORSIM, and VISSIM. He also has experience in traffic signal, signing/pavement marking, and temporary traffic control/detour layout design; signal warrant analysis; the preparation of signal justification reports and intersection control evaluations; and the preparation of plans, specifications, and cost estimates for traffic signal systems, signing/pavement marking projects, and temporary traffic control projects.