Treating Uncertainty in the Design of Horizontal Curves
A model based on expected total cost minimization approach is developed for determining optimal horizontal curvature for highway sections. Expected total cost is defined as the sum of...
Implementation of the Indiana Bridge Management System
Management of a bridge system involves a complex decision-making process. A comprehensive bridge management system provides a set of tools that aid this process by selecting improvement...
A Short-Term Demand Forecasting Model from Real-Time Traffic Data
Developing real-time traffic diversion strategies is a major issue of Advance Traffic Management Systems (ATMS), a component of Intelligent Vehicle Highway Systems(IVHS). Traffic diversions...
Implications of Uncertainty in Transportation Control Measures: A Case Study of the Los Angeles Truck Management Program
The Los Angeles Department of Transportation has proposed a peak period travel restriction aimed at heavy-duty trucks on all Los Angeles streets. The ordinance is designed to reduce the...
A Combined Noise Model for HSGT Traffic
Environmental concerns are high on the list of possible problem areas for proposed high speed ground transportation (HSGT) systems. A Federal Highway Administration (FHWA) Highway Traffic...
Maglev Utilization of Interstate Highway and Railroad Rights-of-Way
Government officials and transportation industry experts have proposed that existing highway and railroad rights-of-way could be utilized effectively to host maglev guideway route alignments....
High Speed Rail Loading Scenario and Dynamic Tuning of Track
Similarities and differences exist between conventional and high speed rail (HSR) infrastructure design. The differences stem from the dynamic nature of the HSR loading scenario and the...
Small-Government GIS
Geographic information systems, or GISs, have shown great potential for use as a tool by public engineers working on the state and municipal level, but the time and money required to put...
Coastal Erosion and Protection in China
The recent coastal erosion in China was becoming increasingly remarkable in the late fifties and had taken a turn for the worse in the late seventies. At present there exist about 70 per...
Potential Application of the Coastal Barrier Resources Act to Washington State
Congress reauthorized the coastal barrier resources act(CBRA) in 1990. Section 6 of the law directed the department of the interior to study the feasibility of extending the provisions...
Recovery of Vegetation of Barrier Island Washover Zones
Barrier islands are prime examples of disturbance dominated ecosystems. They are formed, shaped, and moved by hurricanes. During storms overwash uproots large expanses of vegetation and...
Upper Watershed Management and Sedimentation in Mugu Lagoon, Ventura County, California
Mugu Lagoon is one of the last remaining, natural salt marsh systems in southern California. In the last 90 years, sedimentation in the lagoon has increased from a geologic rate of 0.17...
Mississippi-Alabama: Natural and Man-Made Shores?A Study in Contrasts
Quaternary formations essentially define the present configuration of the Alabama-Mississippi coast. As the result of the coast's tectonic history, they are much less widespread and thinner...
Historical Shoreline Analysis of the Mississippi Gulf Coast
Historical shoreline positions of the Mississippi mainland coast and the barrier islands were digitized for four periods of time. USGS T-sheets provided control for the 1850's, 1917, and...
Vegetation Monitoring of Beach Nourishment
The Gulf Islands National Seashore portion of Perdido Key, Florida is the site of a five year project established to monitor the response of undisturbed native barrier island plant communities...
Long-Term Shoreline Change of the Chandeleur Islands Barrier System, Louisiana: 1855 to 1989
The Chandeleur Islands are the largest barrier island system along the Mississippi River delta plain, and are characterized by low-profile, washover-dominated barriers that are rapidly...
Bulgarian Coastal Management
This paper responds to the call of the 1992 United Nations Conference on Environment and Development for sustainable and economically-sound development and use of the world's natural resources....
Minnesota Guidestar?Progress Towards a Statewide Intelligent Transportatin System
Minnesota Guidestar is seeking to develop a truly statewide intelligent transportation system. The pursuit of this goal necessitates the testing and evaluation of a number of different...
IVHS Strategic Planning for Washington State
Implementation of IVHS technologies must be based on a strategic planning approach. The strategic plan must consider regional and statewide needs and should prompt integration of IVHS...
Before-After Evaluation of FTMS Effectiveness
This paper demonstrated the possibilities for conducting before-after evaluation of a new freeway traffic management system (FTMS) using only data from the inductive loop detectors. Using...
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