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The modern warning lights used on level crossings in the UK consist of one amber light at the bottom and two red lights at the top, all on a black board with a checkerboard outline in red and white (the red and white borders weren't introduced until 1992; the borders were just white beforehand).
In Norway, level crossings have crossbucks colored in a white background with a red border, with similar lights to the German crossings, although the white light flash when the crossing is clear, instead of a yellow warning light, and the red light flashes, as do the lights on the barriers.
Level crossing signals are electronic warning devices for road vehicles at railroad level crossings. Level crossings can be operated in various ways. In some countries such as the UK, the warning devices are more often than not activated by remote control, I.e. an operator pressing buttons. However, the majority of countries have automated systems.
A level crossing is an intersection where a railway line crosses a road, path, or (in rare situations) airport runway, at the same level, [1] as opposed to the railway line or the road etc. crossing over or under using an overpass or tunnel.
Several countries use a sign to indicate that multiple tracks must be crossed at a level crossing. In Australia, Canada, New Zealand, and the U.S., a sign is mounted beneath the crossbuck (above the warning light assembly, if any) with the number of tracks.
[4]: 141 Finally, a parallel crossing can be signalised by placing cycle track(s) in parallel to a puffin or pedex crossing. This is known as a sparrow crossing. [10] Equestrian crossings can be used by horse riders. They can be sited in parallel to toucan and pedestrian facilities. [4]: 143–4
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In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).