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  2. Roadway noise - Wikipedia

    en.wikipedia.org/wiki/Roadway_noise

    Roadway noise is the collective sound energy emanating from motor vehicles. It consists chiefly of road surface, tire, engine/transmission, aerodynamic, and braking elements. Noise of rolling tires driving on pavement is found to be the biggest contributor of highway noise and increases with higher vehicle speeds. [1] [2] [3]

  3. Cooper Tire & Rubber Company - Wikipedia

    en.wikipedia.org/wiki/Cooper_Tire_&_Rubber_Company

    Cooper became the official tire of the IMSA Prototype Lites series (formerly IMSA Lites) in 2010. [25] Cooper Tires is the official supplier of the Mazda Road to Indy formula ladder: USF2000 (since 2010), Pro Mazda (since 2013), and Indy Lights (since 2014). As of 2014, Cooper is the official supplier of the FIA World Rallycross Championship. [26]

  4. Noise barrier - Wikipedia

    en.wikipedia.org/wiki/Noise_barrier

    The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area's aesthetics. A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution.

  5. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first.

  6. Road surface - Wikipedia

    en.wikipedia.org/wiki/Road_surface

    A road of such material is called a "metalled road" in Britain, a "paved road" in Canada and the US, or a "sealed road" in parts of Canada, Australia and New Zealand. [ 48 ] A granular surface can be used with a traffic volume where the annual average daily traffic is 1,200 vehicles per day or less.

  7. A Dazzling Piece of Evidence May Finally End the ... - AOL

    www.aol.com/lifestyle/dazzling-piece-evidence...

    D.B. Cooper's Skyjacking, Explained "Onboard the Boeing jet, [Cooper] had a bourbon and soda, smoked cigarettes, and gave a flight attendant a note that said he had a bomb," Biography reports.

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