Abstract: Personal computer implementations of urban transportation planning (UTP) packages have resulted in a proliferation of modeling efforts. However, staff experience and availability, particularly at small planning agencies, ...

Abstract: The economic evaluation of proposed transportation projects has traditionally been a technical process based on collected data and equations. Future needs must be considered to adequately meet the demands of system users. ...

Abstract: This paper assumes that in an intelligent transportation system (ITS) traffic control environment, traffic control systems will be able to track vehicles individually in a traffic stream through automatic vehicle-specific ...

Abstract: Horizontal curves present drivers with numerous tasks that, if not performed while approaching and negotiating the curve, may result in a roadway departure crash. A vehicle’s lateral position within the lane and its speed ...

Abstract: National and state data verify that the growth of highway vehicle traffic exhibits self-limiting characteristics (travel and population growth rates are becoming more and more similar due to saturation of the automotive ...

Abstract: Deer-vehicle crashes are a growing problem in Iowa where deer-vehicle crashes represent 13% of all crashes reported. In 2009, these crashes resulted in nine fatalities and 451 injuries in the state. Deer-vehicle crashes ...

Abstract: The population of the U.S. is aging, and the number of older persons licensed to drive keeps increasing. With the aging population and increase in the number of older licensed drivers, addressing safety issues related to ...

Abstract: This paper presents a state-of-the-art review of recent developments in three-dimensional (3D) analysis for transportation planning and highway design. As background, the concept of dimension is briefly discussed and ...