Railroad Crossing Intersection Symbol Sign Material:High Intensity Prismatic Other MPH speed advisory choices:

Other MPH speed advisory choices:

A speed limit 75 sign is the highest speed limit you will see most anywhere in the United States

If you do mowing for the DOT or county in your state

Detour ahead or specify the distance on each sign

Please be sure to obey the speed limit

Railroad Crossing Intersection Symbol Sign Material:High Intensity Prismatic Other MPH speed advisory choices:Size: 36x36 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. Material Details We use 3M reflective sheeting and 3M UV resistant inks. 3M offers the following on their sheeting: 3M 3400 Series Engineer Grade Prismatic (EGP): Rated for 5 7 year outdoor lifespan 3M 3930 Series High Intensity Prismatic (HIP):