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Significance and Use
5.1 This practice addresses the installation of piezoelectric sensors that support traffic recording devices which are used for monitoring highway traffic characteristics. Thus, this practice provides information that must be used with professional judgment by qualified persons within governmental agencies and private firms to aid in the management of roads and roadway traffic.
5.2 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 installation of piezoelectric tire-force sensors that are used to detect axles when counting, classifying, or weighing vehicles as part of a roadway traffic monitoring program. Piezoelectric sensors are often used in pairs and combined with other roadway sensors such as inductive loops to classify and weigh vehicles.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E867 Terminology Relating to Vehicle-Pavement Systems
E1318 Specification for Highway Weigh-In-Motion (WIM) Systems with User Requirements and Test Methods
E1442 Practice for Highway-Traffic Monitoring
E1572 Practice for Classifying Highway Vehicles from Known Axle Count and Spacing
E1957 Practice for Installing and Using Pneumatic Tubes with Roadway Traffic Counters and Classifiers
ICS Number Code 93.080.30 (Road equipment and installations)
UNSPSC Code 46161527(Traffic flow sensor)