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Bus trap

From Wikipedia, the free encyclopedia
A bus trap in Denmark
A bus trap in northern Aarhus, Denmark

A bus trap (car trap in the UK) is a metal grate placed over a ditch or pit in the road with tines (sides) spaced far enough apart that small (shorter axle) vehicles fall between the tines but close enough that larger-diameter-wheeled vehicles, such as buses, may pass.[clarification needed] Cycles may cross broader sided examples.

Different versions exist for restricting access. The tines cross the path of the road, not parallel with the road direction. Small-wheeled vehicles bottom out in between the tines, preventing the vehicle from continuing over the obstacle.

Deprecation and preferred alternatives

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Barrier on the entrance to a busway in Ipswich, England

Many domestic vehicles exist in the 21st century wide enough to navigate bus traps effectively, including wide-axle SUVs and 4x4s. Police cars and in some cases motorbikes are hindered by bus traps. Most cities favour other means of keeping cars out of bus-only areas, such as:

Examples

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The city of Calgary, Canada, began installation of bus traps in 1970s and primarily used them to restrict access to transit facilities and neighborhoods attempting to discourage pass-through traffic. The last seven bus traps are scheduled to be removed in 2023 and 2024.[1]

The Cambridgeshire Guided Busway has numerous car traps, where they interact with road traffic. As of November 2023, at least 60 incidents of cars being trapped in them have occurred on one trap in St Ives.[2] As a result, the council installed additional signs at that location with the hope to reduce the number of drivers ignoring and being trapped in them. [2]

See also

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References

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  1. ^ Dippel, Scott (August 4, 2022). "End coming soon for Calgary's notorious bus traps". CBC News. Retrieved August 10, 2022.
  2. ^ Jump up to: a b St Ives: New car hole trap signs installed to prevent incidents BBC News. 7 November 2023
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