2018, Alaska, Arizona, Asphalt Pavements, California, Emulsions, Hawaii, Nevada, Oregon, Washington

Tack Coat Specifications, Materials, and Construction Practices

Click here to view the PDF of this report. TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 516: Tack Coat Specifications, Materials, and Construction Practices provides state agencies across the United States with guidance as they reevaluate their tack coat specifications, the materials they use, and the practices by which the tack coats are placed.… Continue reading Tack Coat Specifications, Materials, and Construction Practices

2018, Asphalt Pavements, Porous Asphalt, Sustainability

Structural Design Guidelines for Porous Asphalt Pavements (July 2018)

Often the design of porous asphalt pavements is focused on how well the pavement will handle water, not traffic. For most parking lots and light-duty surfaces this may be a reasonable approach, but as public agencies look to use full-depth porous asphalt pavements on roadways a traditional structural design methodology is needed. Written by Charles… Continue reading Structural Design Guidelines for Porous Asphalt Pavements (July 2018)

2018, Asphalt Pavements, Hawaii, Pavement Treatments

2018 NCAT Test Track Conference

The 2018 NCAT (National Center for Asphalt Technology) Test Track Conference was held Auburn, Alabama on March 27 to 29. The conference was attended by over 250 people including staff from sponsoring Departments of Transportation, other test track sponsors, vendors, and several State Asphalt Pavement Associations. Accelerated pavement testing (APT) is conducted at the test… Continue reading 2018 NCAT Test Track Conference

2018, Oregon, People

Meet the State Exec: APAO’s John Hickey

BY ASPHALTPRO STAFF The Asphalt Pavement Association of Oregon was first formed in 1969. Now, the Salem, Oregon-based association boasts 45 producer and contractor members that represent 97 percent of the tons produced in Oregon. APAO holds its annual meeting in December and the Oregon Asphalt Pavement Conference in February or March each year. “We… Continue reading Meet the State Exec: APAO’s John Hickey

2018, Asphalt Pavements, Pavement Preservation, Sustainability, Washington

The right CSOL-ution

Washington State DOT’s last-ditch play against aging pavements is a unique success Asphalt Article By David Gent, P.E. February 09, 2017   State DOTs have a primary responsibility to maximize the return on investment from the considerable public funds spent to build and maintain their highways and interstates. To manage the long-term costs of its… Continue reading The right CSOL-ution