No Passing Zone Sign Material:Diamond Grade Other speed limit choices: 15

Other speed limit choices: 15  20  25  35

A lane is a lane and the shoulder is the shoulder

and many seem to drive in both at the same time

but not when it comes to MUTCD approved speed limit signs

No Passing Zone Sign Material:Diamond Grade Other speed limit choices: 15Size: 48x36 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):