Multiple Objectives, Uncertainty and Routing Decisions for Hazardous Materials Shipments
Explicit consideration of multiple objectives and uncertainty is important in hazardous materials transportation, particularly in regulating routes or making routing decisions. Application...
Algorithms for Efficient Real-time Traffic Assignment
Fast algorithms are essential to accomplish real-time traffic assignment for optimal routing or traffic prediction under ATMS/ATIS. User-equilibrium and system-optimal traffic assignment...
A Spatial Decision Support System for Vehicle Routing
This paper describes the design, development, and implementation of a computer aided system for planning efficient network maintenance routes. The system has been used to design snow and...
A Dynamic Mapping Application for an ATIS
A dynamic mapping application for an Advanced Traveler Information System (ATIS) is described. The application requires tracking maintenance vehicles so that paths can be displayed indicating...
The California Smart Traveler 1993 Status Report
California's Department of Transportation (Caltrans) is teaming with public and private organizations in the research and development of Smart Traveler systems to provide operators, passengers...
Bellevue Smart Traveler: Phase 2
Traffic congestion in urban centers can be attributed to large numbers of workers traveling in single occupant vehicles to densely clustered downtown employment facilities. This project...
Evaluation Plan for AVL Implementations
The Federal Transit Administration, as part of the Advanced Public Transportation Systems program (a component of the Intelligent Vehicle-Highway Systems initiative), is conducting the...
IVHS and HOV Facilities
This paper examines the application o f intelligent vehicle-highway systems (IVHS) technology to high-occupancy vehicle (HOV) facilities. Current projects are described and potential applications...
Simulation Architecture for Advanced Traffic Management Systems
Trends in Intelligent Highway-Vehicle Systems (IVHS), specifically Advanced Traffic Management System (ATMS) technologies are directed toward better integration between intersection controller...
Evaluating the Use of Smart Card Systems in the Provision of Rural and Small Urban Transit Services
The overall aim of this paper is to provide assistance and direction to persons interested in assessing the use of smart card systems and other advanced public transportation systems (APTS)....
Impacts of Ownership and Multiplicity on Infrastructure Performance
There are a variety of provision arrangements for infrastructure services such as electricity, telecommunications, road networks, rail transport services, and water supply. Existing arrangements...
Hypermedia Support for Infrastructure Planning & Management
Good decisions are dependant on, but not guaranteed by, decision-makers having access to the right kind and format of information. However, some of today's infrastructure and management...
The TM? Railroad Track Management System
The TM$ Railroad Track Management System is designed to increase effective access to track performance data, to forecast the effects of deterioration and maintenance activity, and to formulate...
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...
TRACK(1.0): A Railroad Track Design and Evaluation Computer Program for Work Planning and Budgeting
This paper describes TRACK, a track structural analysis method and computer program developed by the U.S. Army Construction Engineering Research Laboratories. TRACK is a program for evaluating...
Optimization of a Maintenance Station Network
This report is about a method for optimizing maintenance station and storage networks for maintenance of various traffic channels like streets, roads and sea channels. The results that...
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...
Return to search