Mandatory Straight Sign, MUTCD R3-5A
The Up Arrow above the ONLY on this sign designates that this lane can not turn left or right and all traffic must continue straight ahead. Also know as a no turn lane sign. Sizes Available: 24x30, 30x36 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): Guaranteed for 10 year outdoor lifespan 3M 4000 Series Diamond Grade (DG3): Guaranteed for 12 year outdoor lifespan. MUTCD Info Click image for PDF download.