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The Wizard of Helpful Intersection Control Hints
The methodology for making traffic control decisions is the subject of this paper. There exists a body of knowledge supporting a sound decision making process, but it requires the use...

Major Enhancements to TRANSYT-7F
TRANSYT-7F is one of the most powerfull computer programs fir traffic signal timing and traffic flow analysis. This paper describes some of the significant improvements over earlier versions...

The Integration of the Highway Capacity Manual and the TRAF-NETSIM Simulation Model
The Bureau of Traffic Operations, New York City Department of Transportation (NYCDOT) utilizes for various types of studies and capacity analyses, the 1985 Highway Capacity Methodology...

The Permanent Traffic Count Analysis Package
The data management of traffic volume counts can be so overwhelming that limited time and effort is spent collecting and saving traffic counts. With the use of computer technology, however,...

Determining Hours of Congestion for Urban Freeways
The concept of Hours of Freeway Congestion is a measure of effectiveness in the evaluation of freeway reconstruction scenarios. The procedure described herein estimates future traffic...

Large-Truck Safety Decision Support System
Large trucks, defined here as trucks having six or more wheels and a gross weight greater than 10,000 pounds, present a difficult safety problem to our nation's transportation system....

A PASSER II-90 Postprocessor for Detailed Analysis of Arterial Traffic Control Parameters
Many preprocessors have been developed for traffic signal operation software to ease the tedious data input process or to perform error trapping on the input data. However, work to date...

An Interactive Input Data Manager for the TRAF Simulation System
TRAFEdit is an interactive, menu driven program which allows the user to create or modify an input data file for the TRAF simulation system. TRAFEdit is essentially an update to the NEDIT...

Evaluation of Freeway Improvement Alternatives Using CORFLO
This paper describes the application of the CORFLO simulation model on a section of the I-70 freeway in Columbus, Ohio. CORFLO is an integrated traffic simulation system for corridors...

A Calibration Process for Automatic Incident Detection Algorithms
This paper describes the development of a general method for the calibration of Automatic Incident Detection algorithms. A simple structure of freeway traffic data adapted to this process...

FEDIT? User Interface for FHWA's TRAF-FRESIM^TM Model
This paper presents the FEDIT Data Input Preprocessor for FHWA's soon-to-be-released microscopic freeway simulation program - FRESIM. FRESIM (Halati, 1990, 1991) is a powerful freeway...

The Traffic Operations Control Center Simulator
As a part of a national effort to improve the operatinal efficiency of the highway network, the California Department of Transportation (CALTRANS) is developing and implementing general...

Analysis of Vessel and Vehicle Queues at Moveable Bridges
This paper describes procedures and the analysis developed to evaluate three different replacement options for the existing S.E. 17th Street Causeway moveable bridge which crosses the...

Simulating the Operation of Buses on Busways
Simulation of individual vehicles interacting within a traffic facility offers traffic operations data of detail and form uniquely suited to evaluate untried concepts or confirm yet-to-be...

Computer Applications on the Central Artery/Tunnel Project
Boston's Central Artery/Tunnel (CA/T) project consists of the reconstruction of a 4.2 mile segment of Interstate Route 93 in downtown Boston, a 3.3 mile extension of Interstate Route 90...

Automation of Design at the New Denver Airport
This paper outlines an innovative approach to automating the roadway design process by linking design and drafting with multiple software programs and taking advantage of the strengths...

A Two-Way Traffic Feasibility Analysis
This paper presents the findings of a traffic planning feasibility analysis of the expected operational characteristics and traffic impacts related to the proposed conversion of Hennepin...

Software Utilities for Traffic Simulation Models
Simulation models of traffic flow on highways are increasingly becoming the choice of many analysts and traffic engineers as analytical tools to test, evaluate and implement traffic control/management...

CADD Applications in Transportation: Beyond Highway Design
Computer Aided Design and Drafting (CADD) software have become very prominent in the design of transportation facilities. There are currently a number of third party packages that operate...

Validating Expert System Prototypes Using the Turing Test
This paper describes the Turing Test technique to formalize the expert system validation process using a mature microcomputer based prototype expert system that has been developed to perform...

 

 

 

 

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