Manual Of Instructions For Traffic Counts
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Guide for Traffic Volume Counting Manual
Author | : United States. Bureau of Public Roads |
Publisher | : |
Total Pages | : 52 |
Release | : 1963 |
Genre | : Traffic flow |
ISBN | : |
Manual of Instructions for the Statewide Traffic Count Program
Author | : South Dakota. Department of Highways. Research and Planning Division |
Publisher | : |
Total Pages | : 96 |
Release | : 1970 |
Genre | : Traffic flow |
ISBN | : |
Transportation Data Requirements
Author | : Robert F. Jordan |
Publisher | : |
Total Pages | : |
Release | : 1979 |
Genre | : Traffic surveys |
ISBN | : |
The purpose of this study was twofold: (1) to examine the working practices followed in obtaining manual traffic counts on primary highways in Virginia, and (2) to evaluate the accuracy of the counts. The former was achieved by observing and interviewing personnel conducting traffic counts at 26 stations, statewide; for the latter, the results of manual counts were compared with data obtained by using a portable traffic recorder and a motion picture camera at 9 stations. The study concluded that (1) there is a need to better inform both traffic count personnel and their supervisors about why the counting is important and how it should be done; (2) often either too many or too few personnel are assigned to work at traffic count stations; (3) at some intersections on primary highways there are requirements for manually counting the traffic to and from the secondary roads, but the costs incurred for these are not substantially contributing towards accomplishing the objective of the program; (4) a few traffic count personnel were found to be working at sites where they were exposed to unusual traffic hazards; (5) many traffic count personnel have been routinely scheduled to work for long overtime periods at 1.5 times their normal hourly pay rates; (8) altogether, many working practices that were inefficient or contrary to prescribed procedures were observed at the 26 stations; and (7) an analysis of the accuracy of the traffic count data taken at 9 stations showed that the manual counts for 86% of the stations included unacceptable errors. Also, the results of the study indicated that the mathematical factors used to convert 12-hour manual counts into annual average daily traffic figures should be reevaluated and updated. It is recommended that the Traffic and Safety Division (1) develop and distribute an updated version of the pamphlet "Traffic Counting on Interstate, Arterial and Primary Routes"; (2) provide supervisory personnel with adequate training and instructions for spot-checking traffic counting activities; (3) confirm how many people should be assigned to work at each count station; (4) cancel the requirements for manually counting traffic on secondary roads where they intersect high volume primary roads; and (5) prohibit traffic count personnel from using work sites at which they would be exposed to unusual traffic hazards. Another recommendation was that resident engineers should avoid the routine scheduling of overtime work by dividing traffic counting assignments, among more hourly people. The findings also support the recommendation in another report that the Department consider changing the current traffic count program into one using traffic recorder counts supplemented with a limited statistical sample of manual counts.
Guidelines for Traffic Counts on County Roads
Author | : Eugene R. Russell |
Publisher | : |
Total Pages | : 78 |
Release | : 1971 |
Genre | : Traffic estimation |
ISBN | : |
Design Manual for State Traffic Records, Standard Data Elements and Coding; Traffic Law Enforcement and Adjudication Data Subsystem
Author | : United States. National Highway Traffic Safety Administration |
Publisher | : |
Total Pages | : 96 |
Release | : 1973 |
Genre | : |
ISBN | : |
Design Manual for State Traffic Records Systems; Standard Data Elements and Coding Accident Data Subsystem
Author | : United States. National Highway Traffic Safety Administration |
Publisher | : |
Total Pages | : 196 |
Release | : 1973 |
Genre | : |
ISBN | : |
Design Manual for Traffic Records Systems, Standard Data Elements and Coding; Roadway Enviornment Data Subststem
Author | : United States. National Highway Traffic Safety Administration |
Publisher | : |
Total Pages | : 128 |
Release | : 1973 |
Genre | : |
ISBN | : |
Design Manual for State Traffic Records Systems
Author | : United States. National Highway Traffic Safety Administration |
Publisher | : |
Total Pages | : 996 |
Release | : 1973 |
Genre | : Drivers' licenses |
ISBN | : |