Test Methods and Specifications
Assessment of Retroreflectivity of Pavement Markings
- Publication no: AGPT-T800-21
- Published: 12 May 2021
- PDF (free) Download
This test method defines the procedure for performing field assessment of pavement marking retroreflectivity (night-time visibility) using a low angle retroreflectometer. It also defines a suitable minimum sampling requirement for all longitudinal and transverse pavement marking types.
This test method applies to all longitudinal and transverse pavement markings where a portable hand-held retroreflectometer instrument is used.
- Scope
- 1. References
- 2. Definitions
- 3. Equipment
- 4. Procedure
- 4.1 Longitudinal Markings
- 4.2 Segmented Markings
- 4.3 Transverse and Other Markings
- 5. Report
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