2019, Alaska, Asphalt Pavements, People, Safety

Broken Apart, Coming Together

On Nov. 30, a magnitude 7.1 earthquake created significant damage to bridges and roads, including a highly used off-ramp at International Airport Road and Minnesota Drive in Anchorage. Within hours the Alaska Department of Transportation & Public Facilities organized a number of contractors to begin repairs to this major junction near the Ted Stevens Anchorage… Continue reading Broken Apart, Coming Together

2019, Asphalt Pavements, Hawaii

SMA Strategy in Hawaii

Hawaii Public Radio recently interviewed HDOT Highways Division Deputy Director Ed Sniffen regarding his agency’s pavement maintenance program. The 10-minute interview focuses on general pavement maintenance philosophy and Hawaii's increasing use of stone matrix asphalt (SMA) as a strategy to reduce life-cycle costs and user delay. There is particular discussion of Pali Highway, one of… Continue reading SMA Strategy in Hawaii

2019, Asphalt Pavements, Nevada

Twelve Miles of New Interstate in Nevada

Seventy years after the start of the nation's interstate program, another piece of highway was completed in 2018.  Using Fuel Revenue Indexing (FRI) and federal funds, the $318 million project has a 2.5-mile section constructed in PCC (Phase 1) and a 12.5-mile stretch constructed with asphalt (Phase II). Click here to learn about this highway… Continue reading Twelve Miles of New Interstate in Nevada

2019, Asphalt Pavements, Safety, Utah

UDOT avalanche crews prep for winter storm

According to a news release, UDOT triggers about 330 avalanches annually in Little Cottonwood Canyon to decrease the threat of snowfall from the mountains to drivers and property. UDOT has refined its technology over the years. It uses Remote Avalanche Control Systems to trigger avalanches in a "more customized, fine-tuned approach," the news release explained.… Continue reading UDOT avalanche crews prep for winter storm

2019, Asphalt Pavements, Washington

The Path to a Specification Update: Oscillatory Rollers for HMA Bridge Deck Paving

A Western/Pacific Smooth Ride Sentinel 1st time exclusive! by David Gent, P.E., Executive Director Washington Asphalt Pavement Association (WAPA) The Washington State Department of Transportation (WSDOT) has long used relatively thin (typically less than two-inch depth) hot mix asphalt (HMA) overlays, often in combination with waterproofing membranes, to protect concrete bridge decks from surface wear… Continue reading The Path to a Specification Update: Oscillatory Rollers for HMA Bridge Deck Paving

2019, Asphalt Pavements, Plants, Washington

Asphalt Institute Mix Design Technology Certification Course

April 9-12, 2019 Washington DOT Materials Lab 1655 S. Second Avenue SW Tumwater, Washington The Asphalt Institute Mix Design Technology Certification (MDT) course provides advanced technicians, designers, and engineers responsible for mix designs with a thorough understanding of the properties of the materials which compose asphalt mixtures, as well as the physical and mathematical processes… Continue reading Asphalt Institute Mix Design Technology Certification Course