TRB Category: 

Per Erik Garder

Professor of Civil and Environmental Engineering
University of Maine

Featured Projects

Research and Background

Per Gårder is a professor of Civil Engineering at the University of Maine since 1992. He received his Ph.D. degree from the University of Lund on Pedestrian Safety at Signalized Intersections. His research is focused on evaluating facilities with emphasis on traffic safety for pedestrians and bicyclists; roundabout design; signalized intersection safety; and fatigue/distraction and the effectiveness of Continuous Shoulder Rumble Strips. He has authored over 200 journal articles and technical reports. He is currently working on traffic safety on and under bridges with an emphasis on pedestrian and bicycle safety. He is the recipient of the D. Grant Mickle Award and four Best Paper Awards by committees of the Transportation Research Board and has received the Swedish Institute of Transportation Engineers’ Traffic Planner of the Year Award. He was a Fulbright fellow in Finland in 2012 where he worked on autonomous/intelligent vehicles and pedestrian safety. He is an Associate Editor of Accident Analysis and Prevention. He is a Registered Professional Engineer in Maine.

Contact Info

Per Erik Garder
302 Boardman Hall, University of Maine,
Orono, Maine 04469


Ph.D in Civil Engineering University of Lund, Sweden, 1982; M.S in Civil Engineering University of Lund, Sweden, 1975


Hongmei Zhou, Nicholas E. Lownes, John N. Ivan, Per E. Gårder and Nalini Ravishanker,“Left-Turn Gap Acceptance Behavior of Elderly Drivers at Unsignalized Intersections” the Journal of Transportation Safety & Security Volume 7, Issue 4, October 2015

Lars Leden, Per Gårder, Anna Schirokoff, Hector Monterde-i-Bort, Charlotta Johansson and Socrates Basbas, “A sustainable city environment through child safety and mobility—a challenge based on ITS?” Accident Analysis & Prevention Volume 62, p. 406–414, January 2014

Per Gårder, Michael Davies, “Safety Effect of Continuous Shoulder Rumble Strips on Rural Interstates in Maine,” Transportation Research Record—the Journal of the Transportation Research Board—No 1953, November 2006

Ezra Hauer & Per Gårder. “Research into the Validity of the Traffic Conflicts Technique,” Accident Analysis & Prevention Vol. 18, No. 6, pp 471-481, 1986

Curriculum Vitae

Full Curriculum Vitae