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A barrier transfer machine, also known as zipper machine or road zipper, is a type of heavy vehicle that is used to transfer concrete lane dividers, such as Jersey barriers, in order to relieve traffic congestion during rush hours. Many other cities use them temporarily during construction work.
Jersey barriers on the road. A Jersey barrier, Jersey wall, or Jersey bump is a modular concrete or plastic barrier employed to separate lanes of traffic.It is designed to minimize vehicle damage in cases of incidental contact while still preventing vehicle crossovers resulting in a likely head-on collision.
Pressure-mounted gates are typically held in place by friction with the walls on either side, while hardware-mounted gates are screwed into the wall studs and swing fully open like a door. There are hardware-mounted gates that can be customized to fit wide and irregularly shaped openings, as well as mesh retractable gates that roll out of the way.
This page was last edited on 16 January 2023, at 07:19 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Closeup of a YKK zipper on blue jeans. The YKK Group (YKKグループ, Waikeikei Gurūpu) is a Japanese group of manufacturing companies. They are the world's largest zipper manufacturer, also producing other fastening products, architectural products, plastic hardware and industrial machinery.
Where sturdier (and larger) markers are needed, construction sites use traffic barrels (plastic orange barrels with reflective stripes, normally about the same size as a 200-liter (55 gallon) drum. When a lane closure must also be a physical barrier against cars accidentally crossing it, a Fitch barrier , in which the barrels are filled with ...
Vehicle barrier at the US Mexico border, 2010 Physical barriers such as security fences, walls, and vehicle barriers act as the outermost layer of security. They serve to prevent, or at least delay, attacks, and also act as a psychological deterrent by defining the perimeter of the facility and making intrusions seem more difficult.
A separation barrier or separation wall is a barrier, wall or fence, constructed to limit the movement of people across a certain line or border, or to separate peoples or cultures. [1] A separation barrier that runs along an internationally recognized border is known as a border barrier .
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