In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).

Any device that is used to display the traffic sign is known as the sign support, which consists of the vertical post and, if needed, any stiffeners onto which the sign panel is attached. Most posts for roadside post-mounted signs are one of the following types:

Road signs and pavement markings are placed on roadways and highways to regulate, warn and inform drivers. They tell road users about traffic rules and possible hazards, give information about directions and distances, and tell drivers where certain services are located.

Similar to different road sign colors, you can also tell what a road sign means by looking at its shape. Here are the standard shapes of road signs, along with what they mean: Octagon – A road sign in the shape of an octagon will always be a stop sign.

Apr 30, 2018 · From U.S. Routes and Interstates to state and county roads (each with different signage and numbering systems) highways in the United States can be daunting. But there is beauty within that complexity, particularly at the intersection of state, country and territory signs.

Update on the 11th Edition MUTCD sign layouts. The new edition of the Standard Highway Signs (SHS) publication will contain the design details for all signs and pavement markings in the 11th Edition of the MUTCD, expanded sign design guidelines, and details for symbolic traffic and lane-control signal indications. It is taking some additional ...

Sign cardinal directions (EAST, WEST, etc.) on top of route markers. Sign appropriately in both directions (e.g. Hudson River, Vly Creek). No signs need be installed for tributaries e.g. Big Creek tributary, Vly Creek tributary. Guide signs listed under Auth. 83-3 and 84-2 may have yellow legends and brown backgrounds.

All route signs, warning signs, and regulatory signs on freeways and expressways shall be installed with a minimum height of 7 feet, measured vertically from the bottom of the sign to the elevation of the near edge of the pavement.

Therefore, it should be easy to pay special attention when you see it on a road sign. You’ll ONLY see the color red on a road sign when: You need to stop or yield* ahead. An action is prohibited (No U-turn, No parking, etc.). Disobeying a regulatory road sign is a sure-fire way to get a ticket.

Learn about the traffic signs that may show up on your driver's license written exam. Find out what each road sign looks like, which MUTCD category it falls into, and what it means.