|
|
|
Minimum Coefficient of Luminous Intensity “R” values for permanent road studs: |
*Table 1 |
 |
Road stud retroreflector colour factors:
*Table 2 |
• A road stud meets the stipulated photometric requirements if its coefficient of luminous intensity is equal to or greater than the value shown in Table 1.
• For coloured road studs the correction factor shown in Table 2 should be applied. |
 |
|
