This Shoulder Drop Off sign is also commonly known as a low shoulder symbol sign. Driving on uneven surfaces is a hazard for all drivers and any speeds. If your roads have a noticeable drop off as they transition into the shoulder, than this sign should be posted to warn motorists of the uneven terrain approaching.
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: