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ASTM E1957-04(2018)

ASTM E1957-04(2018)

Standard Practice for Installing and Using Pneumatic Tubes With Roadway Traffic Counters and Classifiers

2018-09-12 /Active
Significance and Use:

3.1 This practice addresses the recording of traffic characteristics, using pneumatic tubing with recording devices. This practice provides information for use with professional judgment by governmental agencies and private firms in the management of roads and roadway traffic.

3.2 Traffic monitoring is important to the safe and efficient movement of people and goods. The purpose of this practice is to ensure that traffic monitoring procedures produce traffic data and summary statistics that are adequate to satisfy diverse and critical traffic information needs.


1.1 This practice covers the use of pneumatic road tubes to detect the passing of load-bearing vehicle axles as part of roadway traffic monitoring.

1.2 The practice applies only to pneumatic road tubes used for the detection of load-bearing vehicle axles on a roadway.

1.3 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

axle counters; axle sensors; pneumatic road tubes; vehicle axles; vehicle classifiers; vehicles;
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