“The Grand Canyon fills me with awe. It is beyond comparison—beyond description; absolutely unparalleled throughout the wide world” – President Theodore Roosevelt, 1903 Budget constraints limit how often a road gets paved in our National Parks. The parks are often located in remote enviornments, far from a local asphalt mix plant. Then, in the summer, […]
This summer, Ford's commercials touted how "And Is Better". In North Dakota, cold weather paving AND warm mix is better. North Dakota DOT issued their first WMA specifications this year, allowing contractors to use approved WMA technologies. North Dakota has large volumes of asphalt pavement bidding in 2013. Most of that work will see paving […]
New WMA Usage Survey
The Rubber Pavements Association (RPA) recognized the efforts of the Pennsylvania Department of Transportation for their use of asphalt rubber on I-78 in Berks County near Harrisburg. The RPA presented the DOT with the 2012 Outstanding State DOT Program for its pilot project using an Asphalt Rubber Gap-Graded Friction Course that incorporated Evotherm warm mix asphalt […]
Achieving 50% RAP
NAPA's 2011 RAP, RAS, & WMA Survey
Are you a U.S.-based asphalt mix producer? Has your company submitted its information about RAP/RAS/WMA usage during the 2012 construction season yet? NAPA and FHWA are still looking for information from producers about the use of recycled materials and warm mix. All data submitted is used only for the survey and no information will be […]
This week Florida Department of Transportation's (FDOT) State Materials Office reviewed recent data in respect to Evotherm's M1 warm mix technology and added it to their approved list of warm mix technologies. Evotherm is also approved as a liquid anti-strip for granite mixtures. Contractors throughout the state are adopting Evotherm technology this year to get […]
NCDOT has updated the WMA allowances to include any state route and interstates (when using PG76-22), for technologies that have been used in over 250,000 mix tons. Over the last 18 months, NCDOT has made a targeted effort to promote and track warm mix usage across the state. In doing so, they have also been able […]
This weeks CalAPA Asphalt Insider newsletter announces that "a new report released by Caltrans last week on the department's efforts to reduce Greenhouse Gas Emissions (GHG) has singled out innovative asphalt pavements as the department's No. 1 GHG-reducing pavement surface." The report titled "Caltrans Activities to Address Climate Change" pays special attention to innovative pavement designs, technologies and […]