More Effective Accident Records Systems Using Natural Language Processing
The paper identifies three problems associated with state Accident Records Systems: quality control of data input, inconsistencies among data files, and poor accessibility. The paper discusses...
Data Collection Using a Portable Computer and Digitizing Tablet
This paper describes a data collection system developed by the New Hampshire Technology Transfer Center. The key features of this data collection method are its ease of use, single step...
Traffic Simulation and its Graphic Presentations
A computer simulation program for traffic signal timing design was developed. The program can provide some appealing graphic presentations not only of input data but also of output results....
Microcomputer Model for Estimating LOS on Urban and Suburban Arterials
In the 1985 Highway Capacity Manual (HCM) [1], level of service (LOS) designation for urban and suburban arterials is predicted on the average travel speed by section and for the entire...
Knowledge Based Expert Systems for Post-Incident Freeway Traffic Control
A knowledge based expert system for rerouting traffic upstream of an accident or other capacity-reducing incident on a freeway network is developed and compared with results obtained using...
Integrating Roadway Data in a Corporate Database
For road and highway management it is becoming increasingly important to integrate data such as: traffic, accidents, geometrics, pavement condition, maintenance and construction history....
A Graphical Database for Transportation Systems
A graphical database composed of programmable objects analogous to elements of a physical plant of a transportation network is presented. The discussion reviews the application of a graphical...
U.S. Geological Survey DLG-3 and Bureau of the Census TIGER Data: Development and GIS Applications
The U.S. Geological Survey has been actively developing digital cartographic and geographic data and standards since the early 1970's. One product is Digital Line Graph data, which offer...
Census Data Available for Transportation Planners
In 1981 the U.S. Bureau of the Census set a goal to automate the full range of cartographic and geographic processes in time to serve the data collection, tabulation, and dissemination...
Synthetic O-D Microcomputer Trip Table Packages
Three microcomputer models for synthetic estimation of origin-destination trip tables are compared based on theoretical foundations, implementability, and operating performances. Each...
A Computerized Hazardous Material Incidents Database
This paper reports on the development of a microcomputer database management system for hazardous material incidents that occurred on highways and at fixed sites in Arizona. The objective...
Planning and Budgeting Pavement Marking Installation Using Microcomputer
This paper presents a microcomputer based Pavement Marking Management Information System (PM-MIS) software suitable for processing pavement marking data. The software has the capability...
Microcomputer Based Traffic Signal Inventory Records
This paper describes microcomputer software used by District 12 of the Texas State Department of Highways and Public Transportation to provide for a constantly updated inventory of traffic...
World Bank's HDM-PC: A Microcomputer Aid for Road Planning and Management
HDM-PC, a microcomputer adaptation of the mainframe Highway Design and Maintenance Standards Model (HDM-III), is a powerful analytical tool for the engineering-economic evaluation of road...
Arterial Traffic Flow in Construction Zones
Previously, NETSIM (NETwork SIMulation model) was the only available simulation model that could investigate a wide mix of traffic control and traffic management strategies for a network...
Validation of a Traffic Modeling System for Detour Planning
The Downtown Seattle Transit Project (DSTP) was initiated as an effort to relieve existing traffic congestion in downtown Seattle. It consists primarily of a 1.3-mile electric-bus tunnel...
The Use of Prototyping and Graphical Methods for Road Information and Management Systems
Graphics approaches to Pavement Management Systems offer a substantial aid to the early acceptance of and accessibility to the Road Information Systems presently available. The Apple Macintosh...
Estimating Toll Diversion for Beltways
The proposed E-470 beltway is a 48-mile circumferential highway which will connect major public and private developments east of the Denver metropolitan area as well as the new Denver...
Microcomputer Financial Planning for Transportation
This paper describes the development, testing, and application of a microcomputer financial analysis model called the Transit and Highway Revenues and Improvement Forecasting Templates...
Transit Route Planning Using Data Downloaded from UTPS
A comprehensive evaluation of alternative bus routing and service patterns was recently performed for the Alameda-Contra Costa (AC) Transit District, the principal public transit operator...
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