2568723

AASHTO T 398-22

Standard Method of Test for Measuring Retroreflectivity of Pavement Marking Materials Using a Mobile Retroreflectivity Unit

standard by American Association of State and Highway Transportation Officials , 2022

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Full Description

This test method covers measurement of the retroreflective properties of dry, horizontal pavement marking materials, using a Mobile (vehicle-mounted) Retroreflectivity Unit (MRU) operated at posted roadway speeds at a prescribed geometry. The prescribed geometry corresponds to the European Committee for Standardization (CEN) geometry and is the standard geometry adopted by ASTM E1710.

This test method ensures that night-time visibility provided by pavement markings is adequate. This applies to the measurement of the pavement marking retroreflectivity using mobile instruments.

This standard was formerly designated as provisional method of test TP 111.

 

Product Details

Published:
2022
Number of Pages:
9
File Size:
1 file , 360 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. AASHTO T 398-22

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    Standard Method of Test for Measuring Retroreflectivity of Pavement Marking Materials Using a Mobile Retroreflectivity Unit

    • Most Recent

  2. AASHTO TP 111-14 (2021)


    Standard Method of Test for Measuring Retroreflectivity of Pavement Marking Materials Using a Mobile Retroreflectivity Unit

    • Historical Version

  3. AASHTO TP 111-14 (2016)


    Standard Method of Test for Measuring Retroreflectivity of Pavement Marking Materials Using a Mobile Retroreflectivity Unit

    • Historical Version