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The exit gates blocking the road leading away from the tracks are equipped with a delay, and begin their descent to their horizontal position several seconds after the entrance gates do, so as to avoid trapping highway vehicles on the crossing. In the United Kingdom, the exit-side barriers do not lower until the entrance-side barriers have lowered.
The bump gate's self-closing mechanism utilizes one or two cables from the gate's upper crossbar, terminated high on the post. When the gate swings open, the swivel action as the cables wind around the post raises the gate slightly. After the vehicle passes through, gravity causes the gate to swing back into the closed position. Usually the ...
Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams , to adjust flow rates in sluices and canals , or they may be designed to stop water flow entirely as part of a levee or storm surge system.
People around the world will have a chance this weekend to catch what could be the year’s most stunning view of the largest planet in our solar system.
Idaho can enforce a first-of-its-kind "abortion trafficking" law against those who harbor or transport a minor to get an abortion out of state without parental consent, a federal appeals court ...
The New York-based 2nd U.S. Circuit Court of Appeals declined to have the full court reconsider a three-judge panel's October rejection of Halkbank's argument that it deserved immunity from ...
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