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.   

News May 27, 2016
Illinois Governor Bruce Rauner’s administration announced this week it would increase spending on road and bridge repairs by nearly $3 billion during the next six years, but the state’s transportation secretary said the state still won’t get ahead of deteriorating roads.   The Illinois Department...
News May 26, 2016
U.S. Transportation Secretary Anthony Foxx today announced a $200 million Transportation Infrastructure Finance and Innovation Act (TIFIA) loan from the Federal Highway Administration (FHWA) to finance the construction of additional lanes and improvements on New Hampshire’s I-93 from Salem to...
News May 25, 2016
In an effort to bolster exposure of both large-scale and tighter, community-based road and bridge construction projects, the editors at Roads & Bridges are putting out a call for video submissions.   We invite construction professionals, DOT members and enthusiasts to submit videos showcasing...
News May 25, 2016
For too long, congestion and gridlock have been the norm for the one million cars and 150,000 commercial trucks that use San Bernardino’s Devore Interchange weekly. During peak times, it’s not uncommon for traffic to exceed five miles.  Bumper-to-bumper traffic conditions on the interchange...
News May 25, 2016
When a section of freeway settles a bit, taking a high-tech approach to the repair work allows the Arizona Department of Transportation (ADOT) to give the roadway a lift without digging up the pavement.   That’s now the case along the Loop 101 (Pima Freeway) in the Scottsdale area, where ADOT is...
Case Studies May 18, 2016
Polk County, Minn. has approximately 400 miles of gravel roads that it maintains.   “Every year the county would spend money adding gravel that was lost during the winter snowplowing season, have to fix frost boils, and receive complaints about muddy conditions during the rainy season,” said...
News May 16, 2016
The Federal Highway Administration (FHWA) has now finalized a trimmed-down list of design criteria for roads on the National Highway System (NHS) in a change that will simplify many projects and give more design flexibility to state and local governments.   Instead of the 13 design criteria it had...
Case Studies May 11, 2016
Scored pavement—or rumble strips—alert inattentive drivers to potential danger. These strips, typically applied on the shoulder or centerline, are proven to be an effective way to reduce accidents and save lives. Numerous studies also show a very high benefit-to-cost ratio for shoulder rumble...
News May 10, 2016
The Federal Highway Administration (FHWA) has published a policy revision to allow more flexibility in the design of smaller road projects.   In 1985, 13 design criteria were prioritized because of their perceived impact on operations and safety. Based on research and FHWA experience, several have...

Building a bypass bridge off Highway 30 in Nebraska.

Article May 09, 2016
America’s Great Plains states are largely, if not exclusively, agricultural. They literally feed the nation.   In this way, their economic health is inextricably tied to that of the country as a whole; though not a center of financial industry or global technological advancement, the Great Plains...
News May 04, 2016
Once again, the time of year has come to submit nominations for the Top 10 Roads projects for 2016.    Created in 2000, Roads & Bridges' Top 10 Roads awards recognize the top road projects in North America each year. Nominations are submitted to the R&B editorial staff, who determine the...
News April 18, 2016
The Georgia Department of Transportation (GDOT) has issued its notice to proceed to North Perimeter Contractors to begin work on the $800 million I-285/SR 400 Improvement Project in Atlanta.   According to GDOT, the corridor handles 420,000 vehicles. As of now the notice authorizes right of way...
News April 15, 2016
Nebraska this week saw passage of the Transportation Innovation Act (L960), a bill that increases funding for Nebraska transportation projects and authorizes design-build project delivery, Construction Manager/General Contractor delivery, and the use of public-private partnerships (P3s) for...

A completed riser project in Grand Rapids, Mich.

Case Studies April 14, 2016
Founded in 1916, Rieth Riley Construction is a large paving firm, serving Indiana and Michigan with 30 asphalt plants. With that kind of paving volume, and a nearly century-long history, the firm has rigorously tested hundreds of infrastructure solutions, and the tools and techniques that make the...
News April 11, 2016
Indiana’s East-West Toll Road is set to receive a $200 million makeover and work begins today. According to the Indiana Department of Transportation, it is to be the largest project undertaken by the toll road since its original construction in 1954.   The project’s scale includes the...
Article April 08, 2016
When the asphalt surface of U.S. 412 in southern Missouri required pavement preservation to repair cracking and increasing roughness, the project was scoped using diamond grinding as the primary preservation treatment.   Diamond grinding is a pavement preservation technique that improves pavement...
Article April 08, 2016
From the semi-arid northern plains to the humid subtropical piney woods, Texas’ sprawling network of roads—nearly 700,000 lane-miles of them—span multiple climates.   The temperature and landscape variances over such a vast area can wreak havoc on roadway maintenance. Many shortcomings arise when...

All lanes of traffic remained open during construction of the Redi-Rock retaining walls, which are designed to install quickly and within a small footprint.

Case Studies March 31, 2016
THE CHALLENGE In 2015, the Kentucky Transportation Cabinet (KYTC) began work on the multi-million-dollar New Circle Road widening project in Lexington. The scope of the project included nearly 3.2 miles of lane additions, shoulder widening, on-ramp and exit ramp realignment, and bridge widening...
Article February 29, 2016
Here’s a couple of things that don’t typically go well together: asphalt paving and the month of November in Missouri. There are, however, exceptions.   The rehabilitation of Hanley Road, which traverses the city of Clayton, Mo., was one of them.   For a few frazzled weeks last November, crews from...
Article February 29, 2016
Drivers traveling on I-70 in De Beque Canyon, Colo., may notice that the highway now feels much smoother.   They might give this a passing thought of appreciation, but then forget about it completely, simply taking for granted that this small aspect—an easier means of getting to work or school or...
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