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Hand signals are agreed gestures that people make with their hands or body to communicate in a non-verbal way. When used in traffic, hand signals are often used to convey driver's intention of their next movement. In some countries, hand signals can apply to any vehicle whose signal lights are missing or damaged.
Finger heart is a hand gesture in which the subject has a palm up fist, raises their index finger and brings their thumb over it so as to form a small heart shape. It signals a similar gesture to that of the two-handed heart. It originates from South Korean culture and was used by athletes during the Pyeongchang 2018 Olympic Games. [18]
Motorcyclists may use specialized hand signals to both greet and warn oncoming riders: Circling raised finger — police ahead [ 6 ] Patting helmet — check your lights [ 3 ] [ 7 ] or police ahead [ 8 ] [ 9 ]
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).
Pedestrian signals are used to inform pedestrians when to cross a road. Most pedestrian signal heads will have two lights: a 'walk' light (normally a walking human figure, typically coloured green or white) and a 'don't walk' light (normally either a red or orange man figure or a hand), though other variations exist. [39]
A spotter will either use a set of standard hand signals, or will agree hand signals before the maneuver with the driver or operator. [ 3 ] Technological solutions such as reversing cameras and proximity sensors have reduced drivers' reliance on spotters in some circumstances.
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These are infra-red transmitters serving the same purpose as the usual graphic signs when received by an appropriate device such as a hand-held receiver or one built into a cell phone. Then, finally, in 1914, the world's first electric traffic signal is put into place on the corner of Euclid Avenue and East 105th Street in Cleveland , Ohio, on ...