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2. Jersey barrier - Wikipedia

   en.wikipedia.org/wiki/Jersey_barrier

   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.

3. Traffic barrier - Wikipedia

   en.wikipedia.org/wiki/Traffic_barrier

   Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

4. Cable barrier - Wikipedia

   en.wikipedia.org/wiki/Cable_barrier

   This category of traffic accounts for the majority of all vehicle traffic in the United States. At TL-3, an 1,800 pounds (820 kg) car is crashed at 60 miles per hour (97 km/h) on an impact angle of 20°. Also at this level, a 4,400 pounds (2,000 kg) pickup truck impacts at 60 miles per hour (97 km/h) and 25°. TL-4 includes both these tests but ...

5. Bollard - Wikipedia

   en.wikipedia.org/wiki/Bollard

   Traffic bollards are used to highlight traffic islands. They are primarily used at intersections within the splitter islands (a raised or painted area on the approach of a roundabout used to separate entering from exiting traffic, deflect and slow entering traffic, and provide a stopping place for pedestrians crossing the road in two stages).

6. Traffic cone - Wikipedia

   en.wikipedia.org/wiki/Traffic_cone

   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 posts with reflective sleeve and heavyweight ...

7. Construction barrel - Wikipedia

   en.wikipedia.org/wiki/Construction_Barrel

   By 1981, the drums were mainly a two-piece plastic design that included the top piece of the drum and a base that was filled with sandbags. The same year, an updated version of the invention was released by PSS ; it included a flange to allow sandbag placement on the outside of the drum which made it easier to maneuver. [ 6 ]