5.1 This practice addresses the development of axle count adjustment factors, using axle counts and vehicle classification counts. This practice provides information for use with professional judgment by governmental agencies and private firms 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 standard practice describes techniques for adjusting observed or assumed axle counts so that they will represent corresponding estimated vehicle counts as part of roadway traffic monitoring.

1.2 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 and health practices and to determine the applicability of regulatory limitations prior to use.