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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.
Do Not Pass Sign (R4-1)
$71.44 – $111.60
Cheap Street Signs commercial grade .080” heavy duty aluminum regulatory traffic and road signs provide drivers clear messages and safety precautions to keep them informed and aware of their surroundings and upcoming hazards and conditions. These road signs reinforce traffic laws, regulations or requirements and are available in various sizes and reflectivity levels, informing drivers of traffic laws and regulations in force. MUTCD compliant road and traffic signs most ready to ship the same day.
- Heavy Duty .080” Aluminum Construction
- Premium 3M Reflective Sheeting
- Prepunched 3/8” Mounting Holes
- MUTCD Complaint Specifications
- 5052-H38 Alodine Treated Aluminum
- Standard Federal Radius Corners
- Durable & Long Lasting
Cheap Street Signs uses only .080″ rustproof aluminum. Don’t settle for low quality signs which will fade quickly and deteriorate after a short time. Our premium quality commercial grade signs are designed to last. Most road signs are available in three reflectivity levels. Engineer grade, high intensity prismatic or diamond grade prismatic. For most applications, choose high intensity reflective to meet State DOT and Federal MUTCD guidelines.
Most road signs come with standard mounting holes centered top and bottom. Larger signs come standard with four mounting holes. Visit our Hardware and Posts section for installation hardware. Please refer to the MUTCD for information on proper installation of road signs.
Visit our Technical Information page for more information on available reflectivity levels, State and Federal DOT requirements.
Hardware, Posts & Brackets
Shopping Cart
Manual on Uniform
Traffic Control Devices
Download or Search MUTCD Manual
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
Need a sign now? Click here to visit our free traffic and road sign page. Download your free printable signs for temporary use until your order arrives!
Free Traffic Sign Quiz
Like a challenge? Take our free quiz to see how much you know about traffic signs!
Free Road Sign Coloring Pages
Download our free road sign coloring pages. An easy way to help children understand what road signs are and the different meanings.
Free Road Signs and Safety Quiz
Download our free lessons on traffic signs and road safety. Keep our children safe by helping them understand the rules of the road!
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