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Articles 61 - 67 of 67
Full-Text Articles in Transportation Engineering
Identification Of Factors In Road Accidents Through In-Depth Accident Analysis, Mouyid B. Islam, Kunnawee Kanitpong
Identification Of Factors In Road Accidents Through In-Depth Accident Analysis, Mouyid B. Islam, Kunnawee Kanitpong
CUTR Faculty Journal Publications
The rising trend of motorization and improving socio-economic status of Thai people directly influences the aggravating road safety situation with fatalities and permanently disabled injuries of about 130,000 and 500,000 respectively over the past decades. An estimated annual cost from road crashes amounts to about US$2,500 million, 3.4 percent of Gross National Product (GNP), undoubtedly inflicts Thailand with a burning public health concern in the South East Asian region. This paper addresses an in-depth study through crash investigation and reconstruction which has not yet been practised in Thailand to identify the contributory factors in road crashes by the concerned authorities. …
Kentucky Traffic Collision Facts 2008 Report, Kentucky Transportation Center, Kentucky State Police
Kentucky Traffic Collision Facts 2008 Report, Kentucky Transportation Center, Kentucky State Police
Kentucky Transportation Center Research Report
KENTUCKY’S TRAFFIC COLLISION FACTS report for 2008 is based on collision reports submitted to the Kentucky State Police Records Branch. As required by Kentucky Revised Statutes 189.635, “every law enforcement agency whose officers investigate a vehicle accident of which a report must be made...shall file a report of the accident...within ten days after investigation of the accident upon forms supplied by the bureau.” The stated purpose of this requirement is to utilize data on traffic collisions for such purposes as will improve the traffic safety program in the Commonwealth. Data contained in this report are based solely on the observations …
Measuring The Value Of Kentucky Vehicle Enforcement Activities, Jennifer R. Walton, Joseph D. Crabtree, Candice Y. Wallace, Jerry G. Pigman
Measuring The Value Of Kentucky Vehicle Enforcement Activities, Jennifer R. Walton, Joseph D. Crabtree, Candice Y. Wallace, Jerry G. Pigman
Kentucky Transportation Center Research Report
The responsibility for monitoring commercial vehicles on Kentucky’s roadways and enforcing the applicable laws and regulations falls primarily on Kentucky Vehicle Enforcement (KVE). KVE personnel are involved in a variety of activities including commercial vehicle size and weight enforcement, work zone speed enforcement, and general traffic monitoring and enforcement. The objectives of this study were to identify, describe, and (where possible) quantify the benefits associated with the activities of KVE. The primary benefits provided by the activities of KVE are: reductions in crashes, injuries, and fatalities; protection of the revenue streams that replenish Kentucky’s Road Fund; reduced damage to Kentucky’s …
Crash History After Installation Of Traffic Signals (Warranted Vs. Unwarranted), Kenneth R. Agent, Eric R. Green
Crash History After Installation Of Traffic Signals (Warranted Vs. Unwarranted), Kenneth R. Agent, Eric R. Green
Kentucky Transportation Center Research Report
The objective of this study was to determine the change in crash history at intersections after installation of a traffic signal. Signals installed based on the warrants from an engineering study resulted in a decrease in angle collisions with an increase in the less severe rear end collisions. At intersections where signal warrants were not met, there was a smaller decrease in angle collisions and a larger increase in rear end collisions. The removal of unwarranted traffic signals did not result in a crash problem. The analysis shows that the warrants given in the MUTCD should be followed when determining …
Evaluation Of Rigid Hazards Placed In The Zone Of Intrusion, Mitchell J. Wiebelhaus, Ronald K. Faller, Dean L. Sicking, Karla A. Polivka, John R. Rohde, Robert W. Bielenberg, James C. Holloway, John D. Reid
Evaluation Of Rigid Hazards Placed In The Zone Of Intrusion, Mitchell J. Wiebelhaus, Ronald K. Faller, Dean L. Sicking, Karla A. Polivka, John R. Rohde, Robert W. Bielenberg, James C. Holloway, John D. Reid
Nebraska Department of Transportation: Research Reports
No abstract provided.
Water Balance Analysis For A Nebraska Sand Hills Wetland Mitigation Site, Kyle Hoagland, F. Edwin Harvey, Timothy Arkebauer, Wyatt R. Webster
Water Balance Analysis For A Nebraska Sand Hills Wetland Mitigation Site, Kyle Hoagland, F. Edwin Harvey, Timothy Arkebauer, Wyatt R. Webster
Nebraska Department of Transportation: Research Reports
No abstract provided.
Development And Validation Of A Dynamic Model Of The Maglev Transportation System At Old Dominion University, Ajinkya Deodhar, Sebastian Bawab, Aravind Hanasoge
Development And Validation Of A Dynamic Model Of The Maglev Transportation System At Old Dominion University, Ajinkya Deodhar, Sebastian Bawab, Aravind Hanasoge
Mechanical & Aerospace Engineering Faculty Publications
A dynamic model of the vehicle/guideway coupled with a controller is developed for the maglev demonstration system currently being developed at ODU, using the MAthematical DYnamic MOdeling software - MADYMO. The fundamental characteristics of the vehicle and guideway are obtained from detailed finite element analyses using MSC-NASTRAN. As a result, the vehicle is modeled in MADYMO as a 21- degree-of-freedom spring-mass-damper system. A three span concrete guideway is modeled using 3D solid Hex8 elements. The air gap is modeled as a penetration of the magnets into the guideway. Decentralized colocated PD controllers are used for controlling the penetration of each …