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Bollards may also be used to enclose car-free zones. Bollards and other street furniture can also be used to control overspill parking onto sidewalks and verges. [11] Bollards can be temporary and portable, such as this traffic control bollard separating the road from the worksite.
Bollard style: Post and ring: Bollards are short vertical posts most commonly used as traffic or parking barriers. Bollard style bike racks add one or two arms to which bikes may be secured. [5] Post-and-ring racks are a North American variant on the bollard type. Bollard-style rack in Seattle, Washington, United States
These bollards were made of metal (originally old cannons, see also bollards), stone, or wood. In the late 19th century the first cast iron bollards were made. From 1915 onwards there was a standard bollard of cast iron, weighing 70 kg (154 lb), with three Saint Andrew's Crosses from the coat of arms of Amsterdam.
The source said officials chose a bollard system rated for 10-mph impacts from a company called 1-800-Bollards Inc. City bidding documents, dated in August and September, sought an installer of ...
A hollow structural section (HSS) is a type of metal profile with a hollow cross section. The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology. HSS members can be circular, square, or rectangular sections, although other shapes such as elliptical are also available.
A cable barrier separating lanes on a 2+1 road in Sweden. A cable barrier, sometimes referred to as guard cable or wire rope safety barrier (WRSB), is a type of roadside or median safety traffic barrier/guard rail.
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