40 is the new 30. That may be true in life, but not when it comes to MUTCD approved speed limit signs. Make sure you are compliant with your state and federal laws by having the correct speed limit signs in place. Even if you have private property, if you allow the public to travel on your property, you need to meet MUTCD requirements. And that means that a speed limit 40 sign must have a minimum of HIP reflective sheeting. This protects you and the drivers.
Sizes Available: 18x24, 24x30
We make all our signs from .080” thick aluminum. Other companies use steel which rusts, plastic which cracks or warps, or a thinner gauge aluminum (.060 or .040) which bends or buckles.
We use 3M reflective sheeting and 3M UV resistant inks.
3M offers the following on their sheeting: