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  2. Trafficators - Wikipedia

    en.wikipedia.org/wiki/Trafficators

    The final complete system came in 1927 when Berlin-based Max Ruhl and Ernst Neuman combined internal illumination and solenoid operation: (but see Gladstone Adams). The shape of the trafficator arm is closely based upon the shape of the semaphore signal arm used by the Royal Bavarian State Railways beginning in 1890.

  3. Automotive navigation system - Wikipedia

    en.wikipedia.org/wiki/Automotive_navigation_system

    An automotive navigation system is part of the automobile controls or a third party add-on used to find direction in an automobile. It typically uses a satellite navigation device to get its position data which is then correlated to a position on a road.

  4. Road traffic control device - Wikipedia

    en.wikipedia.org/wiki/Road_traffic_control_device

    Road traffic control devices are markers, signs and signal devices used to inform, guide and control traffic, including pedestrians, motor vehicle drivers and bicyclists. These devices are usually placed adjacent, over or along the highways , roads, traffic facilities and other public areas that require traffic control .

  5. Left- and right-hand traffic - Wikipedia

    en.wikipedia.org/wiki/Left-_and_right-hand_traffic

    This is an accepted version of this page This is the latest accepted revision, reviewed on 7 March 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side of ...

  6. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The American auto industry voluntarily adopted amber front turn signals for most vehicles beginning in the 1963 model year, [67] [68] though the advent of amber signals was accompanied by legal stumbles in some states [69] [70] and front turn signals were still legally permitted to emit white light until FMVSS 108 took effect for the 1968 model ...

  7. Traffic signal preemption - Wikipedia

    en.wikipedia.org/wiki/Traffic_signal_preemption

    Traffic signal preemption (also called traffic signal prioritisation) is a system that allows an operator to override the normal operation of traffic lights.The most common use of these systems manipulates traffic signals in the path of an emergency vehicle, halting conflicting traffic and allowing the emergency vehicle right-of-way, thereby reducing response times and enhancing traffic safety.

  8. Vehicular communication systems - Wikipedia

    en.wikipedia.org/.../Vehicular_communication_systems

    Vehicular communication systems are computer networks in which vehicles and roadside units are the communicating nodes, providing each other with information, such as safety warnings and traffic information. They can be effective in avoiding accidents and traffic congestion.

  9. Traffic sign design - Wikipedia

    en.wikipedia.org/wiki/Traffic_sign_design

    In the United States, the Manual on Uniform Traffic Control Devices (MUTCD) sets standard shapes and designs for signs throughout the United States to ensure that they are consistent. The Convention on Road Signs and Signals , commonly known as the Vienna Convention on Road Signs and Signals , is a multilateral treaty to standardize the signing ...