ASTM E2667 - 09(2017)

    Standard Practice for Acquiring Intersection Turning Movement Traffic Data

    Active Standard ASTM E2667 | Developed by Subcommittee: E17.52

    Book of Standards Volume: 04.03

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    Significance and Use

    4.1 This practice will permit various agencies to compare intersection turning movement data using two foundational principles, truth in data and base data integrity. These two principles help ensure that intersection turning movement counts can be correctly interpreted and appropriately used to improve the safe and efficient operation of intersections. The principles may be summarized as follows:

    4.1.1 Truth in data principle—The truth in data principle provides information that assists potential data users to understand what the data do and do not mean. The opportunity to collect data that advise safe and efficient transportation carries with it the obligation to report how the data were collected, edited, summarized, and reported.

    4.1.2 Base data integrity principle—The principle of base data integrity retains the field data collected. In keeping with the principle of base data integrity, it is possible to look at the original data to verify any subsequent changes to the data. In intersection turning movement and other data collection activities, field data may be edited, adjusted, and then summarized and reported. Whatever steps are taken to ensure the quality of the data summarized, the base data must not be corrupted. In keeping with the principle of truth in data, editing and adjustments are documented.

    1. Scope

    1.1 This practice for intersection turning movement data acquisition was developed to improve its quality by specifying the data items to be collected and a procedure for documenting the results. Such a practice will provide the ability to compare these data over time within governmental agencies and among different governmental agencies. While there are national and international standards for road segment traffic data, there is not a practice for intersection turning movement data acquisition.

    1.2 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 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 determine the applicability of regulatory limitations prior to use.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E2300 Specification for Highway Traffic Monitoring Devices

    E2532 Test Methods for Evaluating Performance of Highway Traffic Monitoring Devices

    ICS Code

    ICS Number Code 03.220.20 (Road transport)

    UNSPSC Code

    UNSPSC Code 43211730(Data acquisition system)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E2667-09R17

    Citation Format

    ASTM E2667-09(2017), Standard Practice for Acquiring Intersection Turning Movement Traffic Data, ASTM International, West Conshohocken, PA, 2017,

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