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Print/export Download as PDF; ... The MUTCD and SHS establish seven categories of signs for road and highway use, ... Road width restrictions. W5-1 Road narrows. CW5-1
Height, weight, and width restrictions are almost always accompanied by units (tonnes or metres); in the US, the short ton is used with no distinction from metric tonnes. Signs in some parts of Canada near the US border often include both metric and Imperial units, to remind American drivers that they are entering metric countries.
Since 2016, on width and height limit signs both metric and imperial measurements are used (metres and feet & inches), however older signs still show imperial-only measurements [citation needed]. Weight limits have been expressed in metric tonnes since 1981, but signs continued to use an upper case "T" until 2011.
The inscriptions on road signs are written in Spanish since it is an official language of Puerto Rico and is most widely spoken in Puerto Rico. [ 3 ] The suffix (D) in parentheses means "right", from Spanish derecha , while the (I) in parentheses means "left", from Spanish izquierda .
Through urban areas, at least one routing is to have 16-foot (4.9 m) clearances, but others may have a lesser clearance of 14 feet (4.3 m). Sign supports and pedestrian overpasses must be at least 17 feet (5.2 m) above the road, except on urban routes with lesser clearance, where they should be at least 1 foot (30 cm) higher than other objects.
A white background signifies the sign is permanent, while a yellow background signifies that the sign is temporary. Warning signs are an upwards-pointing red triangle and contain a black pictogram describing the danger or obstruction. Speed limit signs are a red circle with the limitation in black. South Africa drives on the left.
A 30 mph speed limit reminder road sign. Used when there is insufficient street lighting for a road to legally have an automatic 30 mph speed limit. In the UK Highway Code for England, Scotland and Northern Ireland, a built-up area is a settled area in which the speed limit of a road is automatically 30 mph (48 km/h).
Warning signs have yellow background rather than the more common black-on-white design, and therefore are similar to the road signs in Greece. Polish road signs depict people with stylized (as opposed to naturalistic) silhouettes. Meaning of the traffic signals and their usage is described in another regulation. Traffic signals are placed on ...