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
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
The transportation department has hundreds of millions of dollars tied up in near future projects on high-capacity, north-south running highways. But the state says work also needs to be done on several east-west routes that feed into them. “We have a lot of great north-south projects going on,” UDOT Region One Director Lisa Wilson recently told… Continue reading In addition to north-south routes, UDOT says their east-west feeders also need work
The Arizona Department of Transportation identified four major highway projects in a January 28 statement that it plans to wrap up in 2019; projects designed to improve transportation of both people and goods throughout southern Arizona. Click here to learn about these four projects.
The Hawaii Asphalt Paving Industry was invited to submit an article to Road & Bridges magazine. They choose to tell the story of how HAPI members contributed to the success of the Queen Kaahumanu Highway Widening Phase 2. Three years after breaking ground and more than 10 years since the Hawaii Department of Transportation (HDOT)… Continue reading Road Royalty – Queen Kaahumanu
The Idaho Transportation Department (ITD) hopes to expand their outreach among drivers with the launch of their first-ever podcast. ITD says their podcast's initial focus will be on the widening of Interstate 84 in Canyon County. Future podcasts will address traffic switches in the Nampa-to-Caldwell corridor as the construction season kicks into high gear. ITD… Continue reading Idaho Transportation Department launches podcast
Shaking from the large earthquake that shuddered through Anchorage, Alaska last week was strong enough to turn smooth asphalt roads into broken, jagged depressions of rubble. But within just a few days, crews managed to repair the worst of the damage, unsnarling traffic in Alaska’s largest city. Click here for the rest of the article.