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Retro Reflexive Sign Boards:
Indian highways are undergoing a rapid transformation in terms of expansion and conversion to the multi-lane system, resulting in greater vehicular speeds and consequent increase in safety challenges. 3M offers a wide variety of products and solutions to convey regulatory and guidance information to road users and enhance visibility of various elements on the road. Highway Roads MoRT&H Specification Minimum coefficient of Retroreflection RA for new sheeting (cd/lux/m)
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Observation
|
Entrance
|
|
|
|
|
|
|
|
Angle
|
Angle
|
White
|
Yellow
|
Red
|
Blue
|
Green
|
Orange
|
|
0.2
|
-4
|
250
|
170
|
45
|
20
|
45
|
100
|
|
0.2
|
+30
|
150
|
100
|
25
|
11
|
25
|
60
|
|
0.5
|
-4
|
95
|
62
|
15
|
7.5
|
15
|
30
|
|
0.5
|
+30
|
65
|
45
|
10
|
5
|
10
|
25
|
3M Specification : Minimum Coefficient of Retroreflection RA for new sheeting (cd/lux/m2)
|
Observation
|
Entrance
|
|
|
|
|
|
|
|
Angle
|
Angle
|
White
|
Yellow
|
Red
|
Blue
|
Green
|
Orange
|
|
0.2
|
-4
|
360
|
270
|
65
|
30
|
50
|
145
|
|
0.2
|
+30
|
170
|
135
|
30
|
14
|
25
|
68
|
|
0.5
|
-4
|
150
|
110
|
27
|
13
|
21
|
60
|
|
0.5
|
+30
|
72
|
54
|
13
|
6
|
10
|
28
|
|
