00396842

Component

http://onlinepubs.trb.org...s/trr/1984/971/971-014.pdf

https://scholar.google.co...dwan&publication_year=1984

Most current methods used to estimate vehicular delay at intersections involve some form of manual data collection. These methods rely on statistical techniques (such as multiple linear regression) to improve the accuracy of the delay estimates. In addition, most require significant data collection and reduction efforts. The theory, design, operation, and evaluation of a microprocessor-based system for the collection of vehicular delay data at intersections is presented. The principle of the automated system, including definitions of pertinent variables and equations, is discussed. An overview of the system design, including a description of the vehicle detection scheme and the microprocessor's recognition of vehicle arrivals and departures, is presented. There is a discussion of the system software as well as a description of the data collection and reduction processes. The system performance was evaluated both in the laboratory and through analysis of data collected in the field. Recommendations for further development of the device are presented.

Publication of this paper sponsored by Committee on Traffic Flow Theory and Characteristics. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

00452357

HS-038 740

p. 105-111

1984

Transportation Research Record

0309037530

Figures (7) ; References (5) ; Tables (4)

Automatic vehicle monitoring; Data collection; Data reduction; Equations; Intersections; Microprocessors; Software; Traffic delays

Highways; Operations and Traffic Management; I71: Traffic Theory

HSL, TRIS, TRB

Jan 31 1986 12:00AM

• ANALYSIS OF UNSIGNALIZED INTERSECTION CAPACITY
• ANOTHER LOOK AT STORAGE REQUIREMENTS FOR BANK DRIVE-IN FACILITIES
• CAPACITY, SPEED, AND PLATOONING VEHICLE EQUIVALENTS FOR TWO-LANE RURAL HIGHWAYS (DISCUSSION ANDD CLOSURE)
• COMPUTER SIMULATION TO COMPARE FREEWAY IMPROVEMENTS (ABRIDGMENT)
• DEVELOPMENT AND APPLICATION OF A MACROSCOPIC MODEL FOR RURAL HIGHWAYS
• DISCONTINUITY IN EQUILIBRIUM FREEWAY TRAFFIC FLOW
• DYNAMIC FREEWAY SIMULATION PROGRAM FOR PERSONAL COMPUTERS
• EVALUATING CAPACITIES OF ONE-LANE ROADS WITH TURNOUTS
• INVESTIGATION OF NETWORK-LEVEL TRAFFIC FLOW RELATIONSHIPS: SOME SIMULATION RESULTS
• LEFT-TURN EQUIVALENCIES FOR OPPOSED, SHARED, LEFT-TURN LANES
• LEVEL OF SERVICE CONCEPTS: DEVELOPMENT, PHILOSOPHIES, AND IMPLICATIONS
• PASSENGER CAR EQUIVALENTS FOR UNINTERRUPTED FLOW: REVISION OF CIRCULAR 212 VALUES
• ROLE OF ADAPTIVE DISCRETIZATION IN A FREEWAY SIMULATION MODEL
• SIGNALIZED INTERSECTION DELAY MODELS--A PRIMER FOR THE UNINITIATED
• SIMULATION OF TRAFFIC PERFORMANCE, VEHICLE EMISSIONS, AND FUEL CONSUMPTION AT INTERSECTIONS: THE TEXAS-II MODEL
• SIMULATION STUDY OF GUIDELINES FOR RURAL ROAD IMPROVEMENTS
• USE OF THE NCHRP SIGNALIZED INTERSECTION CAPACITY METHOD--A SOUTH AFRICAN EXPERIENCE
• VEHICLE-DETECTOR INTERACTIONS AND ANALYSIS OF TRAFFIC-ACTUATED SIGNAL CONTROLS