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Vienna Convention dangerous bends sign (diamond-shaped) New Zealand double sharp curve to the left sign. These signs indicate that dangerous or unexpected bends in the road are ahead. Signs typically indicate whether the curves are to the right or to the left, the angle of the curve and whether it is one curve or a series of curves.
11th edition of the MUTCD, published December 2023. 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).
Sign for a bicycle crossing Signs indicating dangers are triangular with a red border, yellow background and black pictograms . Mandatory instructions are white on a blue background, prohibitions are black on a white background with a red border, and supplementary information signs are rectangular with black text on a white background.
The dangerous bend or caution symbol ☡ (U+2621 ☡ CAUTION SIGN) was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. It resembles a road sign that indicates a "dangerous bend" in the road ahead, and is used to mark passages tricky on a first reading or with an ...
A photograph of an early Japanese road warning sign for a curve. The design is similar to British pre-Worboys signage, except that the lettering was white and the background was black. The first standardised road signage schemes appeared in 1922.
This is a comparison of road signs in countries and regions that speak majorly English, including major ones where it is an official language and widely understood (and as a lingua franca). Among the countries listed below, Liberia , Nigeria , and the Philippines have ratified the Vienna Convention on Road Signs and Signals , while the United ...
Sign for the A2 road. Road signs in Botswana are based on the SADC Road Traffic Signs Manual, [1] [2] [3] a document designed to harmonise traffic signs in member states of the Southern Africa Development Community. A white background signifies the sign is permanent, while a yellow background signifies that the sign is temporary.
Pedestrian sign in Mexico. The road signs used in Mexico are regulated by Secretaría de Infraestructura, Comunicaciones y Transportes ' s Directorate-General for Roads (Dirección General de Carreteras), and uniformized under a NOM standard and the Manual de Señalización y Dispositivos para el Control del Tránsito en Calles y Carreteras (Manual of Signage and Traffic Control Devices for ...