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A box junction in London, pictured from atop the Monument in 1969. A box junction is a road traffic control measure designed to prevent congestion and gridlock at junctions.The surface of the junction is typically marked with a yellow criss-cross grid of diagonal painted lines (or only two lines crossing each other in the box), and vehicles may not enter the area so marked unless their exit ...
This page describes standard box and diagram templates used for specific subject matter items. They include right and left side, or lower article boxes, calendars, tables, grids and diagrams used in article expostion. The templates provide a consistent, clean format for the displayed information. Infoboxes are described on the Infoboxes page.
See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...
In Manchester, UK, traffic engineers have designed a protected junction known as the Cycle-Optimised Signal (CYCLOPS) Junction. This design places a circulatory cycle track around the edge of the junction, with pedestrian crossing on the inside. This design allows for an all-red pedestrian / cyclist phase with reduced conflicts.
An example of the potential complexity of grade separation, seen in the Jane Byrne Interchange in Chicago Seven various overpasses for grade separation in Spain near Barcelona Rail-rail grade separation in Xiaoshan, China The concept of grade separation includes all transport modes, such as a simple pedestrian bridge over rail tracks.
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Special wiring rules apply to wet or corrosive locations, [13] and to locations which present an explosion hazard. [14] Wiring materials for use in the United States must generally be made and tested to product standards set by NEMA and Underwriters Laboratories (UL) and must bear approval marks such as those set by UL.