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Transportation in an Aging SocietyKim, Sungyop; Ulfarsson, Gudmundur · Transportation Research Record: Journal of the Transportation Research Board · 2013
Bicyclist injury severities in bicycle–motor vehicle accidentsJoon-Ki Kim; Sungyop Kim; Gudmundur F. Ulfarsson; Luis A. Porrello · 2007
Traffic Sign Comprehensibility in an Aging SocietyKim, Sungyop; Ulfarsson, Gudmundur; Anton, Karen · Transportation Research Record: Journal of the Transportation Research Board · 2009
Analyzing fault in pedestrian–motor vehicle crashes in North CarolinaGudmundur F. Ulfarsson; Sungyop Kim; Kathleen M. Booth · 2010
Factors Affecting Common Vehicle-to-Vehicle Collision TypesUlfarsson, Gudmundur F.; Kim, Sungyop; Lentz, Eric T. · Transportation Research Record: Journal of the Transportation Research Board · 2006
Traffic safety in an aging society: Analysis of older pedestrian crashesKim, Sungyop; Ulfarsson, Gudmundur F. · Journal of Transportation Safety & Security · 2018
Age and pedestrian injury severity in motor-vehicle crashes: A heteroskedastic logit analysisJoon-Ki Kim; Gudmundur F. Ulfarsson; Venkataraman N. Shankar; Sungyop Kim · 2008
Commitment to Light Rail Transit Patronage: Case Study for St. Louis MetroLinkKim, Sungyop; Ulfarsson, Gudmundur F. · Journal of Urban Planning and Development · 2012
Interstate Speed ProfilesPu, Wenjing · Transportation Research Record: The Journal of the Transportation Research Board · 2018
The Move Over LawCarrick, Grady; Washburn, Scott · Transportation Research Record: Journal of the Transportation Research Board · 2012
Delay Variability at Signalized IntersectionsFu, Liping; Hellinga, Bruce · Transportation Research Record: Journal of the Transportation Research Board · 2000
Steps to Leading ChangeConnolly, Kevin; Wolfgram, Laura; Santos, Judis · Transportation Research Record: Journal of the Transportation Research Board · 2012
Public Transportation Today and TomorrowMillar, William · Transportation Research Record: Journal of the Transportation Research Board · 2012
Extraboard PerformanceStrathman, James; Kwon, Sung; Callas, Steve · Transportation Research Record: Journal of the Transportation Research Board · 2012
Green Contracting in Highway ConstructionCui, Qingbin; Zhu, Xinyuan · Transportation Research Record: Journal of the Transportation Research Board · 2011
Measuring Sustainable AccessibilityCheng, Jianquan; Bertolini, Luca; le Clercq, Frank · Transportation Research Record: Journal of the Transportation Research Board · 2007