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Filtered on: Maintenance

  • Thousands of tumbling tumbleweeds roll into wash

    August 23, 2011
    An ADOT Highway Operations Supervisor came across a sight Monday morning that he’s never seen before … As he was driving by Jeddito Wash on SR 87, Elliott Koinva noticed that thousands of tumbleweeds had clustered together to form a kind of solid wall.

  • Cleaning, maintenance all part of I-10 tunnel upkeep

    August 18, 2011
    With roughly 240,000 vehicles driving through it each day, the I-10 Deck Park Tunnel needs the night off every once in a while for a good, thorough scrub! Just about every four months, the tunnel is closed to traffic in order to allow crews the chance to wash the walls, maintain the ventilation systems and check on the tunnel’s 3,700 light fixtures (about 150-200 light bulbs are changed out each quarter!).

  • Research Center guides ADOT toward transportation innovation

    August 8, 2011
    Much has changed since ADOT got its start in 1927. Back then, the agency was known as the Arizona State Highway Department and roads certainly were built a little differently. Methods, materials and technology have changed so much since then.