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These types of traffic control devices are usually placed between traffic and road construction zones, or between opposing traffic streams. Arrow boards are portable, illuminated, high-visibility panels that are used to alert motorists of an approaching lane closure and to specify the direction in which to merge.
The normal function of traffic lights requires more than sight control and coordination to ensure that traffic and pedestrians move as smoothly, and safely as possible. A variety of different control systems are used to accomplish this, ranging from simple clockwork mechanisms to sophisticated computerized control and coordination systems that ...
Safety standards (irrespective of traffic control) are mandated by OSHA as well as state-level occupational safety departments. A construction traffic control company operates in the same basic way as any other construction company. Companies submit a bid for a job, the lowest bid is accepted (except in the case of disadvantaged companies), and ...
Centralized traffic control (CTC) ... One hallmark of CTC is a control panel with a graphical depiction of the railroad. On this panel, the dispatcher can keep track ...
Smart traffic lights or Intelligent traffic lights are a vehicle traffic control system that combines traditional traffic lights with an array of sensors and artificial intelligence to intelligently route vehicle and pedestrian traffic. [1] They can form part of a bigger intelligent transport system.
Solar traffic lights contain enclosures which house the batteries and the control panel circuitry. [3] Existing traffic lights can also be upgraded with an auxiliary power source using solar panels for use during power failures. [4] The other parts in a solar traffic light include a charge controller to control the charging and discharging of ...
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