Priority signs

Priority traffic signs indicate the order in which vehicles should pass intersection points. Vehicles often come into conflict with other vehicles and pedestrians because their intended courses of travel intersect, and thus interfere with each other's routes. The general principle that establishes who has the right to go first is called "right of way" or "priority". It establishes who has the right to use the conflicting part of the road and who has to wait until the other does so. The vehicle that does not need to wait is said to "have the right of way" or to "have priority."

Types of sign
A Give way sign in Hong Kong in both English and Traditional Chinese

A Give way sign, also known as a yield sign in some countries, informs the driver that they must give way to vehicles on the major road. Under the Vienna Convention, the standard sign should be a white or yellow inverted triangle with a red border.[1] This originates in Denmark, with the red and white coming from the Danish flag.[2] In some countries, the words Give Way or equivalent may be included with the sign. These signs are usually accompanied by a give way marking, normally one or multiple dashed lines or shark teeth across the carriageway.

Priority signs according to the Vienna Convention on Road Signs and Signals
Give Way Inverted equilateral triangle White or yellow Red 0.9 m (large), 0.6 m (small) None
Stop Octagon Red White 0.9 m (large), 0.6 m (small) "STOP" written in white
Circular White or yellow Red 0.9 m (large), 0.6 m (small) "STOP" written in black or dark blue inside red inverted triangle
Priority road Diamond White Black 0.5 m (large), 0.35 m (small) Yellow or orange square
End of priority road Diamond White Black 0.5 m (large), 0.35 m (small) Yellow or orange square with black or grey diagonal lines crossing the sign
Priority for oncoming traffic Circular White or yellow Red Unspecified Black arrow indicating direction with priority, red arrow indicating direction without
Priority over oncoming traffic Rectangle Blue None Unspecified White arrow indicating direction with priority, red arrow indicating direction without

Alternative priority systems
  • Sign indicating the route of priority road (thick line) at an intersection and defining the priority
    Sign indicating the route of priority road (thick line) at an intersection and defining the priority
  • Dangerous intersection with priority indication (for the next intersection only). Different variants of the sign can be used on both priority- and non-priority roads. Each sign has the thicker line indicating the road or direction that has priority with the viewer's own direction being from the bottom of the sign.
    Dangerous intersection with priority indication (for the next intersection only). Different variants of the sign can be used on both priority- and non-priority roads. Each sign has the thicker line indicating the road or direction that has priority with the viewer's own direction being from the bottom of the sign.
  • Swiss mountain postal road sign: priority given to public transport, such as postal bus (pay special attention to the specific three-tone-horn of the postal bus approaching hairpin bends and wait before the bend; traffic users must follow instructions given by public transport drivers)
    Swiss mountain postal road sign: priority given to public transport, such as postal bus (pay special attention to the specific three-tone-horn of the postal bus approaching hairpin bends and wait before the bend; traffic users must follow instructions given by public transport drivers)
  • Swiss End of mountain postal road
    Swiss End of mountain postal road
  • A Filter in turn in the Channel Islands, which indicates that traffic from different approaches has alternating priority at the junction.
    A Filter in turn in the Channel Islands, which indicates that traffic from different approaches has alternating priority at the junction.

See also

References
  1. "Road Traffic and Road Signs and Signals Agreements and Conventions | UNECE". unece.org. Retrieved 2021-09-12.
  2. Bekendtgørelse om Hovedfærdselsaarer, 27. marts 1937, Denmark


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