Standardisation issues

Standardisation papers are what guides the work improving safety on roads through first of all the relevant European EN standards and the US ASTM standards.

Standards for road signs

• ASTM-E-1709 Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer
• EN 12899-1 Fixed, vertical road traffic signs - Part 1: Fixed signs

Other related standards:

• DIN 67520 Retroreflecting materials for traffic safety; photometric minimum requirements for retro-reflective sheetings for traffic signs.
• EN 12899-1 Fixed, vertical road traffic signs - Part 1: Fixed signs
• E810 Standard Test Method for Coefficient of Retroreflection of Retroreflective Sheeting Utilizing the Coplanar Geometry
• D4956 Standard Specification for Retroreflective Sheeting for Traffic Control

Standards for road markings

• ASTM-E-1710 Standard Test Method for Measurement of Retroreflective Pavement Marking Materials with CEN-Prescribed Geometry using a Portable Retrorefelctometer
• EN 1436 Road marking materials - Road marking performance for road users.

Other related standards:

• E2302 Standard Test Method for Measurement of the Luminance Coefficient Under Diffuse Illumination of Pavement Marking Materials with CEN-Prescribed Geometry Using a Portable Reflectometer
• D4061 Standard Test Method for Retroreflectance of Horizontal Coatings
• D6628 Standard Specification for Color of Pavement Marking Materials
• ASTM E-2367 - Test Method for Measurement of Nighttime Chromaticity of Pavement Marking Materials Using a Portable Retroreflection Colorimeter
• ASTM E-2366 - Test Method for Measurement of Daytime Chromaticity of Pavement Marking Materials Using a Portable Retroreflection Colorimeter

Standards for safety clothing

EN 471 High-visibility warning clothing for professional use - Test methods and requirements