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  • January 2013

    • January 2013

    FINAL_HBSD_091412_02327
    Transportation Management

    Measured steps

    Feb. 14, 2013
    As the far-flung but still young intelligent transportation systems industry further consolidates its substantial research gains, planners are focusing increasing attention on...
    Figure-1
    Transportation Management

    Zone of safety

    Feb. 14, 2013
    In the 10-year period from 2001 to 2010, more than 9,000 motorists and roadway workers were killed in motor vehicle traffic crashes in work zones. The nature of highway work zones...
    Figure2
    Transportation Management

    Not by accident

    Feb. 14, 2013
    A recent pilot effort in one central Virginia region—the Roanoke Valley-Alleghany Regional Commission—sought to strengthen the incorporation of safety into the transportation-...
    fig1
    Transportation Management

    Follow the rumbling lights

    Feb. 14, 2013
    Plowable raised pavement markers (RPMs) have been used to augment painted centerline markings for several decades.   The cast iron housing of an RPM protects a highly retroreflecti...
    Concrete

    CONCRETE 2013: Simple burst

    Jan. 9, 2013
    As the prime consultant, AmerCom Corp. developed a unique design to replace New Jersey’s Rte. 202 Bridge over the Passaic River between Bernards Township of Somerset County and...

    More content from January 2013

    Concrete

    CONCRETE 2013: Storage building

    Jan. 9, 2013
    When the Texas Department of Transportation (TxDOT) and the city of Fort Worth decided to replace the 99-year-old West Seventh Street Bridge over the Trinity River, they had two...
    Safety

    SAFETY 2013: Traffic sunlights

    Jan. 9, 2013
    In an effort to reduce dependence on fossil fuels, societies across the globe are slowly but steadily implementing the use of alternative sources of energy.One of these alternatives...
    Concrete

    CONCRETE 2013: Try the un-overlay

    Jan. 9, 2013
    Virginia transportation officials looked for a suitable project to try an unbonded concrete overlay for several years.When they found a deteriorated segment of U.S. Rte. 58 in...
    Concrete

    EQUIPMENT FOCUS: Sturdy mattress

    Jan. 9, 2013
    Channel stability at a bridge crossing depends on the stream system.Natural and man-made disturbances may result in changes in sediment load and flow dynamics resulting in adverse...
    Safety

    SAFETY 2013: A slight turn

    Jan. 9, 2013
    A large number of rural crashes occur on curves—some sources estimate the crash rate on curves to be three times the crash rate of tangent sections.Curve-related crashes involve...
    Safety

    SAFETY 2013: Is there a right way?

    Jan. 9, 2013
    When it comes to preventing wrong-way accidents, Milwaukee County, Wis., does not yet know which direction it is heading.With a pilot program now soaking in data in the outskirts...
    Concrete

    CONCRETE 2013: Own hands on deck

    Jan. 9, 2013
    Just a few miles north of the U.S. border, Mission, British Columbia-based Camwood Construction Ltd. is making a name for itself.