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, Alaska, American Samoa, Arizona, Asphalt Pavements, California, CNMI, Colorado, Guam, Hawaii, Idaho, Montana, Nevada, New Mexico, Oregon, Porous Asphalt, Sustainability, Utah, Washington, Wyoming

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, People, Washington

Meet the State Exec: WAPA’s David Gent

The AsphaltPro magazine has their “Meet the State Executive” article series. They hope to feature the executive director from each State Asphalt Pavement Association (SAPA) over a number of their upcoming editions. Editor Sandy Lender goals is to provide the state executive with the opportunity to provide advice or tips based on the experiences from… Continue reading Meet the State Exec: WAPA’s David Gent

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