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  2. Speed bump - Wikipedia

    en.wikipedia.org/wiki/Speed_bump

    A speed hump (also called a road hump, or undulation, [17] and speed ramp) is a rounded traffic calming device used to reduce vehicle speed and thus sound volume on residential streets. Humps are placed across the road to slow traffic and are often installed in a series of several humps to prevent cars from speeding before and after the hump.

  3. Traffic calming - Wikipedia

    en.wikipedia.org/wiki/Traffic_calming

    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. Speed cushions, two or three small speed humps sitting in a line across the road that slow cars down but allows wider emergency vehicles to straddle them so as not to slow emergency ...

  4. Speed bumps don't work: New approaches challenge long-held ...

    www.aol.com/speed-bumps-dont-approaches...

    The constant jolting of vehicles over speed bumps can create noise pollution, particularly at night. Additionally, the constant wear and tear on vehicles can lead to increased emissions and ...

  5. Rumble strip - Wikipedia

    en.wikipedia.org/wiki/Rumble_strip

    The North Luzon Expressway's raised plastic transverse rumble strips approaching Balintawak Toll Barrier, Philippines. Rumble strips (also known as sleeper lines or alert strips) are a traffic calming feature to alert inattentive drivers of potential danger, by causing a tactile fuzzy vibration and audible rumbling transmitted through the wheels into the vehicle interior.

  6. 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.

  7. Raised pavement marker - Wikipedia

    en.wikipedia.org/wiki/Raised_pavement_marker

    The surface of this type of vibrating coating line is distributed and scattered with raised bumps. Some bumps are coated with high-refractive-index glass beads.When a speeding vehicle runs over the raised road lines, it produces a strong warning vibration to remind the car driver of deviation from the lane. [1]

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