Traffic cone
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Traffic cones, also called pylons, witches' hats, road cones, highway cones, safety cones, caution cones, channelizing devices, construction cones, roadworks cones, or just cones, are usually cone-sha
Traffic cones are usually used to divert traffic. The reflective sleeves are for nighttime visibility; the bosses at the top ease handling and can be used for attaching caution tape.
Cones in use at the "Bridgegate" entrance to the George Washington Bridge in Fort Lee, New Jersey
Traffic cone on the right is used to indicate that no parking is allowed (UK)
Various differently coloured traffic cones and ropes in use at RIAT 2025
Traffic bollard
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Traffic bollards are short, up to 48", pillar-like objects used to obstruct roads for traffic control and pedestrian safety. Bollards work by limiting movements and can narrow available space to contr
Traffic cone
…is used. In many countries such as Australia and in some American states such as California, traffic barrels are rarely seen; pillar-shaped moveable bollards are instead used where larger and sturdier warning or delineation devices are needed. Typically, bollards are 1,150 mm (45 in) high fluorescent orange…
A street bollard in the City of London
East India House, Leadenhall Street, London: an engraving of 1766. Six bollards stand in front of the building.
1980s traffic bollard in Prague, Czechia
Flexible bollard separating lanes of traffic with speed limit reminder in Toronto, Ontario