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Asphalt

Welcome to the Asphalt Channel, a special feature that provides the user an in-depth look at the hot-mix asphalt industry.  This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list.   The product spotlights contain information and photos of equipment relevant to the industry.   The article library contains all stories related to asphalt roads pulled from the rich archives of Roads & Bridges magazine and our Asphalt Today supplement magazine.

News July 23, 2014
Roads and bridges that are deficient, congested or lacking desirable safety features cost Texas motorists a total of $25.1 billion statewide annually—more than $1,700 per driver in the Dallas-Fort Worth-Arlington area—due to higher vehicle operating costs, traffic crashes and congestion-related...
News July 11, 2014
America’s rural heartland is home to nearly 50 million people, and its natural resources provide the energy, food and fiber that support the nation’s economy and way of life. But, a new report finds that the nation’s rural transportation system, which is critical to the nation’s booming agriculture...
News July 09, 2014
The Illinois Tollway continued construction this week on the 75th Street Interchange on the Tri-State Tollway (I-294). Temporary, overnight ramp closures are scheduled to begin on the ramps connecting 75th Street to northbound I-294. Electronic message signs and directional signs will be put in...
Products June 24, 2014
BOMAG’s MPH 364-2 reclaimer/stabilizer features a rear-slung rotor and is suited for soil stabilization and full-depth asphalt reclamation projects. This machine offers mobility and maneuverability on municipal jobsites and secondary county road projects. Cummins engine power and Automatic Power...
Article June 24, 2014
Steely determination is needed to propel a car around a racetrack at the limit of adhesion, to push it through a corner always on the verge of sliding into the wall and not be distracted by thoughts about spinning off the track, into a barrier and off to the hospital. Drivers need confidence in...
News March 11, 2014
The March issue of ROADS & BRIDGES covers the Sheldon G. Hayes award winners, which is the top asphalt-paving honor from the National Asphalt Pavement Association. Colorado's flood recovery efforts is this month's cover story. Tom Kuennen has authored a piece on how the state rebuilt much of...
Article March 11, 2014
It is the biggest change in asphalt specifications in California since the state transportation department went to a quality control/quality assurance model in the 1990s, and that has a lot of people very nervous. Up against a July 1 implementation deadline, Caltrans engineers and representatives...
Article March 11, 2014
When torrential rains unprecedented in memory wiped out miles of roads and bridges in Colorado’s populated Front Range last September, state, city and county road agencies joined with road contractors and civil engineers in an extraordinary public-private-sector effort to reopen the roadways before...
Article March 11, 2014
Density is usually a good thing in asphalt pavement. The more density, the better. Occasionally road builders want gaps in the asphalt, though, voids that make the asphalt layer permeable. The asphalt lift on top of the concrete sub-base on U.S. 75, for example, was supposed to be permeable. Knife...
Article March 11, 2014
When roads have term limits you know there is a chance of a strong candidate in something. A 15.3-mile stretch of I-44 in Jasper County, Mo., had reached the end of its time serving the motoring public, and the Missouri Department of Transportation (MoDOT) was determined to meet its seven-year...
News February 11, 2014
The February 2014 issue of R&B contains stories on the ROADS & BRIDGES/ARRA Recycling Awards, recent recycling research in Indiana, recycling asphalt shingle use in Missouri, winter maintenance and much more.
Article February 11, 2014
Just before Labor Day weekend 2013, a fleet of 16 cold mills hustled night and day to prepare the east- and west-side approaches to the new Bay Bridge East Span for asphalt paving. ABSL Corp., Hayward, Calif., labored under an incredibly tight schedule to mill huge swaths of the approaches to the...
Article February 11, 2014
Over the last decade, the Missouri Department of Transportation (MoDOT) has partnered with contractors to find innovative ideas to improve the roads and bridges in the state. The result has been that MoDOT has won numerous awards for safety, innovation and project management. These roadway and...
Article February 11, 2014
Highway agencies in today’s economy are facing an ongoing need to search for ways to reduce construction costs. At the same time, public demand for environmental sustainability continues to increase, so many states are exploring options for reducing the barriers to the use of sustainable,...
Article February 11, 2014
Taking a first glance at the Karn Weadock generating complex, a person might think the idea of rehabilitating the entire on-site road network was for the birds. That is because the 2,400-acre site—located in Essexville, Mich., and operated by Consumers Energy—is abundant with wildlife, including...
Article February 11, 2014
We have all probably dripped water into a pan of very hot oil on the stove and been startled by the violent, cracking sizzle. That is analogous to what happens when you spray water into 475° liquid asphalt. When the cold water hits the hot liquid asphalt inside the cold in-place recycling (CIR)...
Article February 11, 2014
Alaska is not particularly known for its thaws. However, officials in the northeast U.S. are starting to warm up to the idea of cold in-place recycling, and the 49th state of the union has helped in providing layers of encouragement for the process. When a chronic crumbling condition was finally...
News January 08, 2014
The Texas Department of Transportation (TxDOT) has unveiled a plan to allocate more than $800 million to fund expansions of I-10, U.S. 281 and Loop 1604.   Noting San Antonio drivers waste more than 40 million hours annually sitting in traffic on some regional roadways, TxDOT, the Alamo Regional...
News December 09, 2013
Those who are still interested in submitting a project for the 2013 ROADS & BRIDGES/ARRA Recycling Awards have until Dec. 16 to complete a nomination form. Those in the design, construction and completion phase over the past 18 months qualify in the following categories: Hot In-Place, Cold In-...
News November 25, 2013
The deadline to submit for the 2013 ROADS & BRIDGES/ARRA Recycling Awards is fast approaching.   All nominations are due next week, Dec. 2. Projects in the design, construction or completion phase over the last 18 months qualify under the following categories: Hot In-Place Recycling, Cold In-...