ASTM Int'l Unveils Two Traffic Monitoring Device Standards - ASTM E 2300, ASTM E 2532
April 3, 2007 // Published as a news service by IHS
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Two standards developed by ASTM International Committee E17 on Vehicle Pavement Systems will provide uniform specification and test criteria for agencies and manufacturers that deal with traffic monitoring devices.
The standards, which are both under the jurisdiction of Subcommittee E17.52 on Traffic Monitoring, are ASTM E 2300 - Specification for Highway Traffic Monitoring Devices and ASTM E 2532 - Test Methods for Evaluating Performance of Highway Traffic Monitoring Devices.
"E 2532 and E 2300 provide standardized methods for specifying and conducting acceptance tests for devices used to monitor and measure traffic flow parameters such as vehicle count, speed, lane occupancy and vehicle presence and vehicle characteristics such as classification, number of axles, vehicle length and vehicle height," said Lawrence Klein, Subcommittee E17.52 member.
Klein said that the goal of the standards is to provide guidance for harmonizing the procedures and test methods among user agencies and vendors that are being used to specify and then test traffic monitoring devices.
ASTM E 2300 describes the recommended procedure for identifying the performance and operating requirements to be included in a purchase order for traffic monitoring devices. The two test methods within ASTM E 2532 define acceptance tests for evaluating the performance of a traffic monitoring device according to the functions it performs, the data it provides, the required accuracy of the data and the conditions under which the device operates.
City, county and state traffic management agencies, as well as traffic monitoring device manufacturers and vendors and potential independent test providers, such as universities, will find both ASTM E 2300 and ASTM E 2532 to be beneficial, said ASTM.
"E 2300 and E 2532 will allow fair and comprehensive performance evaluation tests to be performed on purchased traffic monitoring devices and potentially reduce the cost to user agencies for repeated testing of the same device," said Klein.
"We seek representatives from vendors, the user community and academia," said Klein. "Although every effort has been made to draw on practical experience in developing E 2300 and E 2532, we are seeking assistance in providing a test site and equipment to further apply the test methods contained in E 2532."
Information from such a test site would provide insight for future revisions of ASTM E 2532.
The subcommittee is working on a proposed practice for installing inductive loop detectors. Future plans include the development of standards for installing other types of sensors such as video image processors and addressing several issues concerning data quality.
Source: ASTM International.