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Barriers for Innovation and Technology Transfer in the Public Works Infrastructure R&D
Utilization of technologies and innovation to revitalize America's public works infrastructure is beset with barriers. Some critical barriers, identified through literature review and...

A Graphics-Based System for Urban Roadway Management
This paper describes a graphics-based system for urban roadway management. The main objective of the system is to select the cost effective maintenance and rehabilitation (M&R)...

Highway Investment Analysis: The Next Generation
The Department of Transportation has developed and is now testing a state-of-the-art modeling procedure which simulates highway improvement selection decisions based on the relative benefits/cost...

French Road Works and Public Transport Investments
A detailed analysis of public highways and urban public transport investments over the period 1984-88, in sixteen French cities, has enabled us to conclude that these expenditures are...

Exploration of Ground Penetrating Radar for Railroad Tie Maintenance Scheduling
Assessment of railroad ties for replacement is currently performed by visual inspection. This paper describes a method of automated tie assessment using ground penetrating radar (GPR)...

Using Condition Indexes to Evaluate Local Railroad Track Networks
The U.S. Army Construction Engineering Laboratories (USACERL) have developed condition indexes for assessing track condition that apply to local railroads. Indexes were developed for the...

Highway Maintenance and Integrated Management Systems
Maintenance management systems were among the first applications of rational management principles and the (then) the new technology of computers to highway operations. Recent changes...

Implementation of a District Level Highway Routine Maintenance Needs Assessment Program
A routine highway maintenance needs assessment program allows a transportation agency to establish a maintenance work program consistent with the objectives of a pavement maintenance management...

Economic Paradigms for Infrastructure Management
A key characteristic which has emerged in infrastructure management system is the use of economic models at the network level (as opposed to project level) to help in evaluating program...

Applying PMS Lessons to New Infrastructure Tools
The objective of this paper is to present a historical summary of the factors which have influenced the successful implementation of pavement management system (PMS) for the lessons learned...

Congestion Management?Opportunities for States and MPOs to Ensure the Efficiency of Their Highway Systems
The Clean Air Act Amendments of 1990 (CAAA) and the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA) are effecting change in multimodal transportation decision making....

Highway Maintenance Data Collection: State of the Art
Existing procedures for recording highway maintenance and field inventory data re laborious and time consuming because the information is entered twice - first on standard paper forms...

Modeling the Traffic Flow Impacts of Rehabilitation Activity on Two-Lane Highways
Researchers at the Purdue University have been involved in developing techniques for predicting the operational impacts created by one-way traffic control. These techniques estimate average...

User Identified Short-Term and Long-Term Needs for Pavement Management Innovation
A survey involving 300 practicing engineer's from all over the United States and representing 20 other countries was conducted, concerning ideas and opinions of the priority research needed...

Large Truck Impacts on the Highway Infrastructure: The Bridge Dimension
Recent U.S. studies have explored the productivity gains of longer combination vehicles (LCV's) and their impacts on highway infrastructure. The area least explored is LCV operations and...

An Integrated System for Pavement Management
This paper describes the process of developing an integrated computerized pavement management system (PMS) for the New York State Thruway Authority. The process evolves around the integration...

A Pavement Management System for Port Orange
The city of Port Orange, Florida, with a population of approximately 35,000, initiated an investigation to develop a simple yet comprehensive pavement management system for their 143-mile...

Neural Network System for Automated Highway Pavement Inspection
A multi-layer perceptron back propagation neural network based methodology has been developed to process and analyze moire fringes obtained with an automated highway pavement inspection...

An Application of MCDM to Product-Based Pavement Management
The Finish National Roads Administration is currently developing it's organization to be more object-oriented and profit-making. This renewal implies to so called product-approach. In...

Uncertainty in Economic Evaluation of Upgrading Gravel Surface Roads
Many highway links in the world are still gravel surfaced. As traffic volumes increase, the demand for upgrading these surface also increases. The challenge to highway infrastructure management...

 

 

 

 

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