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Speed bumps vary in length, but it is typical to leave space between the bump and either edge of an enclosed road (i.e. with curbs and gutters) to allow for drainage. Spaces on either side may also allow more expedient passage for emergency vehicles, though effectiveness will depend on the type of vehicle and specific road design.
Both the height of the deflection and the steepness affect the severity of vehicle displacement. Vertical deflection measures include: Speed bumps, sometimes split or offset in the middle to avoid delaying emergency vehicles; Speed humps, parabolic devices that are less aggressive than speed bumps.
Top Gear define a qualifying vehicle as a road-legal production car on road-legal tires that has sufficient ride height to clear a standard speed bump. For these reasons the F1 car (Renault R24) (0:59.0), Aston Martin DBR9 (1:08.6) and Sea Harrier (0:31.2) do not appear.
Speed bumps have limited effectiveness: They only modestly reduce average speeds and their impact is localized. Unintended consequences exist: Speed bumps can pose safety risks, increase noise ...
Rumble strips are also known as audible lines, [1] sleepy bumps, wake up calls, ruffles strips (named after the potato chips), growlers, drift lines, waker-uppers and drunk bumps. Placement [ edit ]
Fresno’s most famous speed bumps have admirers everywhere. Thousands of online viewers take great delight in watching some of the city’s worst drivers fail to slow down for a set of speed bumps.
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