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Delineators are tall pylons (similar to traffic cones or bollards) mounted on the road surface, or along the edge of a road, and are used to channelize traffic. These are a form of raised pavement marker but unlike most such markers, delineators are not supposed to be hit except by out-of-control or drifting vehicles.
Street furniture is a collective term used in the United States, [1] United Kingdom, [2] Australia, [3] and Canada. [4] [5] It refers to objects and pieces of equipment installed along streets and roads for various purposes.
Permanent bollards can be used for traffic-control or guarding against vehicle-ramming attacks. [10] They may be mounted near enough to each other that they block ordinary cars/trucks, for instance, but spaced widely enough to permit special-purpose vehicles, bicycles, and pedestrians to pass through.
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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. This bollard already looked like the modern Amsterdammertje, although, amongst other differences, it was thinner and heavier. [2]
The final category, "rustic" bridges, were smaller stone or log bridges and usually spanned small walkways or streams. Central Park had 39 bridges at its peak. The bridges were devised as part of Frederick Law Olmsted and Calvert Vaux's proposal for Central Park, the Greensward Plan. Most of the spans were built in the 1860s.