Education and Training
B.S. Civil Engineering, University of Moratuwa
M.S. Civil Engineering, Asian Institute of Technology
Ph.D. Civil Engineering, University of South Florida
Post-Doc University of South Florida
CE 411 Route Location and Design
CE 572 Highway Engineering, Planning and Management
CE 771 Travel Demand Modeling
CE 775 Traffic Engineering
CE 872 Transportation Safety
Dr. Dissanayake's research focuses on traffic engineering, traffic control systems, and modeling and simulation of transportation systems to improve safety in urban and rural highways.
Roy, U.; Dissanayake, S. 'Comparison of factors associated with run-off-road and non-run-off-road crashes in Kansas.' Journal of the Transportation Research Forum, Vol. 50, 2011.
Dissanayake, S.; Perera, L. 'A survey based study of factors related to older-driver highway safety.' Journal of Transportation Safety and Security, Vol. 3, 2011.
Dissanayake, S.; Litao, L. 'Speed limit criteria and speed characteristics on low volume gravel roads.' Journal of Transportation Engineering, 137:1, 2011.
Perera, L.; Dissanayake, S. 'Contributing factors to older driver injury severity in rural and urban areas.' Journal of the Transportation Research Forum, 49:1, 2010.
Perera, L.; Dissanayake, S. 'Demographic, socio-economic, policy, and other characteristics affecting state seat belt usage rates in the United States,' Advances in Transportation Studies: An International Journal, 2010.
Sponsored Projects (Ongoing and Recent)
Effects of Geometric Design Features on Truck Crashes on Limited Access Highways. S. Dissanayake. Mid-American Transportation Center, 2010.
Characteristics and Contributory Causes Related to Large Truck Crashed (Phase II). S. Dissanayake. Mid-America Transportation Center, 2009.
Keeping Vehicles on the Roadway in Rural Areas: Analysis of Run-Off-The-Road Crashes. S. Dissanayake. University Transportation Center, 2009.
Identification of Safety Belt Restraint Usage Characteristics Related to 5-14 Year Olds - Phase I. S. Dissanayke. K-TRAN program of the Kansas Department of Transportation, 2009.
Improving Safety of Teenage and Young Adult Drivers in Kansas - Phase II. S. Dissanayake. K-TRAN program of the Kansas Department of Transportation, 2009.
Major Honors and Recognitions
Fulbright Scholar to Sri Lanka, U.S. Department of State, 2011
Meyers-Alford Memorial Teaching Award, KSU College of Engineering, 2010
Editorial Board, Journal of Transportation Safety and Security