A wide variety of signs are used throughout the U.S. for the signing of routes, travel lane or road restrictions, wayfinding and real time traffic info.
This is another name for a reassurance shield or confirming marker that is not attached to a guide sign.
A regulatory sign is a white sign with black lettering that indicates any legal requirements of a certain stretch of highway, including state seat belt laws, speed limits, and other traffic laws. Stop and yield signs fall under the category of regulatory signs as well.
Recreation signage is usually colored brown with white lettering, and it identifies any recreational or historical sites accessible by a certain exit or roadway. States such as Texas use a separate class of route for parks and recreation areas.
A shield located along the highway mainline that indicates both the route traveled upon and cardinal direction. The FHWA MUTCD specifies reassurance markers as shields posted between intersections in urban areas and beyond the built-up area of a municipality. Confirming markers are the shields used beyond junctions with numbered routes, though the term reassurance markers is often used for these assemblies as well.
In California, the white paddles that denote the mileage of a state route within a county are known as postmiles. Each postmile marker features the route number, county name abbreviation, and mileage. Postmiles increase from south to north and from west to east. Currently, green mileposts are not used in California.
Motorist aid signage is usually colored blue with white lettering, and it provides information to motorists, including rest areas, tourist information centers, traffic information, and roadside services (such as gas, food, lodging, and attractions). The signs advertising local businesses are also referred to as "Logo Signs".
A milepost, or mile marker, is a green paddle placed alongside roads and highways that indicate the total mileage from a certain control point. For Interstate routes, the zero milepost is generally at the southern or western end of the route. For all other routes, the location of the zero milepost may vary. California and Nevada use white paddles (postmile markers) referencing the zero milepost at a county line or [...]
A mileage sign provides the distance to the next destination city as well as the next control city within rural areas or when leaving an urban area.
These are guide signs that are typically used along urban freeways with closely spaced interchanges. As per Federal guidelines, the installation of these signs is optional. When used, this type of sign should be used over the entire length of a route in an urban area. Signs should also be used in place of Advance Guide signs if there is less than 800 feet between exits. Additional information on their [...]
A freeway entrance is the place where motorists may access a limited access highway. Some of the Western states, Illinois (in select locations) and West Virginia formally mark the on-ramps to freeways with green "Freeway Entrance" signs. These assemblies are often coupled with a route marker and signs prohibiting pedestrians and bicyclists.