Signal lights information

Signal lights may refer to: Traffic light, signal lights controlling automotive & pedestrian traffic flow Turn signals, signal lights indicating automotive...

Traffic lights, traffic signals, or stoplights – also known as robots in South Africa and Namibia – are signaling devices positioned at road intersections...

regional exceptions, lights facing rearward must emit red light, side-facing lights and all turn signals must emit amber light, and lights facing forward must...

The UK also uses an amber light which precedes the flashing red lights, and these signals are also used at level crossings, airfields and lifting bridges...

lights in marine and aviation settings employ red and green lights to signal the relative position of other ships or aircraft. Railway signal lights also...

permissive signal has the lower set of lights offset (usually to the right) from the upper lights; in Victoria and New Zealand, an absolute signal displaying...

reflected in most traffic codes. In some countries, hand signals can apply to any vehicle whose signal lights are missing or damaged. This rule also applies to...

steamboats running between sunset and sunrise to carry one or more signal lights; colour, visibility and location were not specified. In 1846 the United...

routine where, before the road lights and barriers are activated, all traffic signal phases go to red, except for the signal immediately after the crossing...

Traffic lights are signalling devices positioned at road intersections, pedestrian crossings, and other locations to control flows of traffic. The history...

Stack lights (also known as signal tower lights, indicator lights, andon lights, warning lights, industrial signal lights, or tower lights) are commonly...

other technologies advanced, it became expedient to use coloration as a signal for telling apart things that would otherwise be confusingly similar, such...

the lights for vehicles go back to green, a steady red and amber are displayed instead of the flashing amber. The pedestrian/cyclist signal lights may...

illuminated lights at the top (green and red) to increase visibility of the signal at night. However, in January 1869, the gas used to illuminate the lights at...

The design is distinct from the older pelican crossing in that the lights signalling to the pedestrians are on the same side of the road as the pedestrian...

of shunting signals (Sh, Schutzsignale) into the main signal's head. This affected mainly exit signals. These signals show two red lights to disallow...

screen sailors for tasks requiring color vision, such as identifying signal lights at night. It screens for red-green deficiencies, but not the much rarer...

automatic transmissions became advanced. Earlier versions of headlights and signal lights were fueled by acetylene or oil. Acetylene was preferred to oil, because...

signal lights and many at grade intersections along the way before finally entering the north part of Nanaimo. The lower highway standards and signal...

or signal pistol, is a large-bore handgun that discharges flares, blanks and smoke. The flare gun is typically used to produce a distress signal. The...

intermediate block signals on IR. Indian Railways primarily uses coloured signal lights, which replaced the earlier semaphores and disc-based signalling. It uses...

at a time, while signals in Canada may flash two heads at a time; flashing lights are generally less restrictive than steady lights.[citation needed]...

yellow lights when "on" and small green lights when "off". Finally, instead of fixed position light signals, the Limit of Shunt may also be signalled by a...

systems. Some intercom systems incorporate control of devices such as signal lights and door latches. Intercoms are used on a wide variety of properties;...

apparatus to create a visual signal transmitted over distance. A semaphore can be performed with devices including: fire, lights, flags, sunlight, and moving...