A traffic barricade is a type of

barricade Barricade (from the French ''barrique'' - 'barrel') is any object or structure that creates a barrier or obstacle to control, block passage or force the flow of traffic in the desired direction. Adopted as a military term, a barricade denotes ...

used to control the flow of

traffic Traffic is the movement of vehicles and pedestrians along land routes. Traffic laws govern and regulate traffic, while rules of the road include traffic laws and informal rules that may have developed over time to facilitate the orderly an ...

or block access to an area, generally for safety purposes. Traditionally made of wood, or wood and steel, many now have structural members made wholly of plastic or

composite materials A composite or composite material (also composition material) is a material which is produced from two or more constituent materials. These constituent materials have notably dissimilar chemical or physical properties and are merged to create a ...

, and may be fitted with flashing lights. The obstruction that necessitates the use of a traffic barricade may be excavations,

construction Construction are processes involved in delivering buildings, infrastructure, industrial facilities, and associated activities through to the end of their life. It typically starts with planning, financing, and design that continues until the a ...

, roadblocks,

debris Debris (, ) is rubble, wreckage, ruins, litter and discarded waste, garbage/refuse/trash, scattered remains of something destroyed, or, as in geology, large rock fragments left by a melting glacier, etc. Depending on context, ''debris'' can ref ...

, crime scenes, restricted areas, or other hazards.

Types of barricades

* The ''A-frame barricade'' or ''parade barricade'' resembles a

sawhorse In woodworking, a saw-horse or sawhorse (saw-buck, trestle, buck) is a Trestle support, trestle structure used to support a lumber, board or plank (wood), plank for sawing. A pair of sawhorses can support a plank, forming a scaffold. In certa ...

with a brightly painted top rail. * The ''Type I (or II) barricade'' also known as a ''waffle-board barricade'' resembles a sawhorse that can be folded flat. Type I indicates sheeting on top; Type II has sheeting on top and bottom. * The ''Type III barricade'' has multiple rails supported by two end posts. Type I, II and III barricades are commonly used for road detours and closings where vehicles are present. A-frame barricades are more typically seen where pedestrian traffic control is needed or used on low speed roads. In addition to the more traditional traffic barricades mentioned above, there are several other categories of barricades that get used regularly for traffic channelization, including Jersey barriers, traffic barrels, and vertical panels. Depending on space and need, all of these categories are listed as acceptable barricade devices in the Manual on Uniform Traffic Control Devices.

References

Traffic signs Public safety {{Road-stub

Types of barricades

See also

References