Roads

Welcome to the Roads Channel, a special feature that provides the user an in-depth look at the road industry. This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list.

Article December 28, 2000
Containment and processing of odors, as well as emissions of VOCs (volatile organic compounds) and HAPs (hazardous air pollutants), whether regulatory-driven or good neighbor-/community-driven, are forcing municipal and industrial wastewater facilities to evaluate and re-formulate their processes...
Article December 28, 2000
Concrete pavers are designed to meet demands for a number of paving applications. They can be used for slipform paving streets, bridge work, parking lots, airport runways, curbs and gutters, irrigation ditches and golf cart paths to name a few. Whatever the application or type of paver used, these...
Article December 28, 2000
The City of Hollywood (Fla.) is located in southeast Broward County, with a land area of approximately 29 square miles. The City is primarily a residential community with a population that exceeds 125,000. It has six miles of beachfront property, small concentrations of light industry, and retail...
Article December 28, 2000
Oregon comprises a wide variety of climatic regions, but one of the constants in its heavily populated areas-the western third of the state-is rain. Parts of the state receive this form of precipitation nearly 50% of the year. Given such conditions, one would expect Oregon DOT (ODOT) to have a high...
Article December 28, 2000
Asphalt plants can be very dangerous places. Accidents, sometimes fatal, happen far too often. Most can be traced to the same root cause: the need for production superseding common sense and normal safety practices. The incidents that follow occurred in the western U.S. in a five-year period. Sadly...
Article December 28, 2000
As the use of high-performance (HP) concrete with microsilica increases on bridge decks, engineers and contractors need to understand that the material requires a keener eye to the batching sequence, better mixing, and equipment capable of meeting ASTM C 94 uniformity standards. If basic, good...
Article December 28, 2000
Everybody on Jordan. During the 1997 and ’98 NBA Finals, the strategy might have made a difference if the Utah Jazz could’ve gotten away with it. But we’re talking about the Jordan Segment, which consists of the I-80/I-15/SR 201 junction, one that holds 58 bridges on the I-15 reconstruction project...
Article December 28, 2000
They say necessity is the mother of invention, and-if this is true-then sometimes she takes on an unusual form. This was the case on January 1, when a federal law went into effect banning the manufacture of 1,1,1 trichloroethane because it causes ozone depletion. This chemical was used, along with...
Article December 28, 2000
As development throughout the world booms, so does the potential for a variety of environmental problems and challenges. One such challenge facing engineers, developers, and regulators is how to deal with the increase in stormwater runoff on construction sites. Leading the charge to promote...
Article December 28, 2000
Using a temporary sewage bypass pumping system and its nondisruptive pipe rehabilitation methods, Insituform Technologies, Inc. of Chesterfield, Missouri, has rehabilitated a half-mile-long section of trunk sewer buried beneath a roadway in Tucson, Arizona. The line's location under Grant Road, a...
Article December 28, 2000
The GPSVan, a mobile data collection system that can map highway infrastructure features while traveling at normal traffic speeds, exploits the commercial potential of the Department of Defense NAVSTAR Global Positioning System (GPS). It successfully surveyed 1,000 miles of roadway in Clark County...
Article December 28, 2000
Valentin J. Riva is the president of the American Concrete Pavement Association (ACPA). Prior to joining ACPA in August1997, he was vice president of government affairs and general counsel for the American Road & Transportation Builders Association (ARTBA), Washington, D.C. During his tenure...
Article December 28, 2000
Can it—France products reduce noiseIn Europe, 17% of the population, or around 13 million people, are exposed to environmental noise levels of more than 65 dB(A), a level that can have negative health effects. Noise pollution arising from road traffic is one source of the problem that has received...
Article December 28, 2000
UTW proves its worth in worldwide tests Ultra-thin whitetopping (UTW) is a fast-growing resurfacing process where a thin 2- to 4-in. layer of high-strength concrete is placed on top of existing asphalt. Since the 1991 research project in Louisville, 44 UTW pavements were built in the U.S. Many of...
Article December 28, 2000
Denver’s E-470 is the first major highway in Colorado to use cement-treated soil (CTS) for subgrade construction. E-470 is a new toll road being built along Denver’s eastern suburbs to service growth and provide access to the Denver International Airport. The current project encompasses more than...
Article December 28, 2000
Although the mix design of the Superpave system still presents some challenges, this system is still the best tool we have to iAlthough the mix design of the Superpave system still presents some challenges, this system is still the best tool we have to improve the performance of hot-mix asphalt (...
Article December 28, 2000
Today's Best Professional Judgments (BPJs) are scrutinized closer than professional football players were when the National Football League allowed the referees to use instant replay to make judgment calls. However, by experience in the environmental field and by reading and applying a minimum base...
Article December 28, 2000
Backhoes/loaders Allmand Bros. Inc. The Allmand Contractor TLB-35 compact backhoe/loader from Allmand Bros. Inc., Holdrege, Neb., offers a 35-hp class engine at an overall weight of 4,450 lb. The unit’s 5,000-lb class industrial backhoe offers a 2-ft flat-bottom digging depth of 10 ft. The loader...
Article December 28, 2000
Something has come between the asphalt truck and the paver. It’s called a material transfer vehicle (MTV), and it’s leading the move towards a smoother surface state inspectors and the motoring public are demanding these days. The MTV sits in the middle of the paving process, right behind the...
Article December 28, 2000
Des Moines Asphalt & Paving Co. was only following the No. 1 objective of highway construction: Keep the masses moving. The goal was accomplished in a big and unique way during the construction of two new lanes of highway on Iowa 141 in Dallas County in 1997, as over 346,000 tons of material...
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