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3M Reflectivity Levels
During daylight hours there is barely any discernable difference between the various types of 3M Reflective materials above. However the image above shows the vast difference between the engineer grade on the left, the high intensity prismatic in the middle and the diamond grade prismatic on the right. The difference is dramatic. The most common choice for public roads and dangerous intersections is clear. 3M Diamond Grade is the winner here.
Nuts & Bolts (FASN1434)
$13.99
1/4″-20 x 3/4″ truss head machine screws. Mount signs to real estate frames or sign stakes. Zinc Coated. Hex Nut. 25 pieces per box.
Hardware, Posts & Brackets
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Manual on Uniform
Traffic Control Devices
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Outsmart the Dark with 3M Diamond Grade DG3 Reflective Sheeting
Using science to turn black spots into bright spots. Black spots are places where the number of crashes is higher than average. Often the reason for black spots is the physical configuration of the road or intersection, such as:
• Sharp corners in a straight road, concealing oncoming traffic
• Hills or winding roads that limit visibility ahead
• Hidden junctions and intersections
• Poor or concealed warning signs
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Free Road & Traffic Signs
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