More stories about Acoustics

  • Tour centers on asphalt's hottest topics

  • Leaf Collection Equipment

    The latest in leaf collection equipment.

  • Work trucks & accessories

    The RXT is the latest in the company's line of heavy pickups. It has a payload capacity of up to 6 tons, can tow up to 7 ¾ tons in a variety of tow configurations, and has a drivetrain up to 300 hp. The truck has a 4x2 crew cab, 8-foot pickup bed, and aero front and rear bumpers. Operators can...

  • Safety at a crossroads

    A lot of action occurs at an intersection. Cars and trucks speed in from all directions, stopping, turning, changing lanes. Introducing other variables—such as poor visibility, bad weather, inadequate signage, and human error—to these hubs of activity leads to a recipe for disaster.

  • Solid waste compaction equipment

    The BC1172RB refuse compactor features a premium wheel/tooth design, with one-piece, chill-cast teeth made of high-strength, wear-resistant material. Powered by a 536-hp, water-cooled engine, the unit has an operating weight of 120,000 pounds. Other characteristics include a sealed-tub design...


  • Pipeline partnership

    While the city of Santa Rosa, Calif., needed to reduce the discharge from its water treatment plant into the Russian River, Calpine Geothermal needed water to replenish the aquifer feeding its geothermal steam fields.

  • Relieving congestion

    Exploding growth and increased tourism have taken their toll on State Road 408 (SR 408), the 16-mile limited-access toll road that allows travelers to bypass downtown surface streets in Orlando, Fla. The Orlando-Orange County Expressway Authority needed to add lanes to SR 408 to increase capacity...

  • PUBLIC WORKS BRIEFS November 2005

  • Barrier provides a clear solution

    In a place known for pristine mountain views and limited sunlight, the Alaska DOT (ADOT) chose an alternative approach for the construction of a highway noise barrier that runs along 4000 feet of heavily traveled highway bordering Anchorage Airport: transparency.