Paving

roadway
News September 13, 2017
Curvy roadways in south Pierce County, Wash., were resurfaced with a special, “high-friction” material to help prevent motorists from sliding on wet pavement.   Five roads were selected for the project based on curve alignments, speed of traffic and rate of fatal or serious-injury crashes,...
Figure 1

Figure 1. The study area in coastal N.H. showing the locations of the five pavement evaluation sites, the magnitude of groundwater rise, the areal extent of the groundwater-rise zone (GWRZ), and the extent of surface-water inundation with 6.6 ft of sea-level rise.

Article September 07, 2017
The rate of sea-level rise caused by climate change is predicted to accelerate as warming ocean waters expand and water is added from melting land ice.   The rising sea level makes maintaining road infrastructure near the water increasingly challenging. Street flooding in many coastal communities...
Article July 05, 2017
Unforeseen subgrade conditions, work-hour and construction-zone restrictions, heavy truck traffic and working in part of a floodplain—all these issues were encountered during the reconstruction of 30 miles of U.S. Rte. 85 (Ault to Wyoming) in northern Colorado.   Each of the issues had the...

Image source: Equipment World's Better Roads

News June 16, 2017
A Pennsylvania Department of Transportation (PennDOT) pilot paving program is testing a 3-in. lift of recycled asphalt paving (RAP) on two sections of roadway in Armstrong County.   The program is being conducted through PennDOT’s Road Maintenance and Preservation (Road MaP) initiative, which Gov....
Article June 06, 2017
Having a ticket for some dry cleanings can lead to a lot of watching and waiting. Nobody would blame anyone if they walked out.   Many paying spectators were exiting early during races at the Texas Motor Speedway due to wet conditions. No matter how hard crews worked to dry the track, it usually...
News April 06, 2017
As part of the 80/90 Pavement Upgrade for a Superior Highway (PUSH) project, the Indiana Toll Road Concession Company LLC (ITRCC), the operator of the Indiana Toll Road, announced that the Elkhart Exit (92) closed yesterday April 5, at 9:00 a.m. Exit 92 is scheduled to be closed for three weeks....
Article April 03, 2017
The Washington Department of Transportation (WSDOT) is leading the effort to develop the world’s largest concrete pavement preservation experiment.   This experiment, based upon the Long Term Pavement Performance (LTPP) project on concrete pavements termed SPS-2, will extend the performance data...
News November 29, 2016
The drought in Mississippi this year is not only affecting recreational activities such as bonfires and camping, but is also affecting the state’s highways, according to the Mississippi Department of Transportation (MDOT).   “Our roads have suffered the effects of extreme loss of rainfall...
News June 21, 2016
Work on the $88 million Interstate 77 widening and rehabilitation project in north Richland County was set to start yesterday, according to the South Carolina Department of Transportation (SCDOT).   The two-year project, covering a seven-mile stretch of I-77 between the I-20 and Percival Road...
Case Studies June 01, 2016
Gray & Son, Inc. is a family-owned contracting firm in Maryland with roots going back to 1908. They are currently one of the biggest paving contractors serving Baltimore and the surrounding counties, and have a reputation for introducing state-of-the-art solutions that cost-effectively keep the...
News February 03, 2016
A section of the 157-mile Indiana Toll Road, which stretches across the northern portion of the state between Ohio and Illinois, will undergo $200 million in improvements including new asphalt and bridge work.   Work is slated to begin in March on a 70-mile stretch describing a path from mile...
News December 30, 2015
The Arizona Department of Transportation (ADOT) has selected a preferred developer for the Loop 202 South Mountain Freeway, which remains on track for construction to begin in summer 2016 as the largest-ever highway project in the state.   This is the first highway public-private partnership in...
Article July 15, 2010
Contractor's Choice Awards Gold Medal Winner - Concrete Pavers GOMACO Commander III A new 2-mile-long, four-lane road is being built in the city of Honolulu on Hawaii’s Oahu island. New roadway construction of this size for the island state is very uncommon. Most road projects are replacement or...
Article July 15, 2010
Contractor's Choice Awards Gold Medal Winner - Bridge Pavers/Finishers Bid-Well 4800 A 172-ft bridge over railroad tracks in a sleepy Southern town typically doesn’t pose much of a challenge. Throw in a large skew angle, T-beams with a significant camber, a slight crown and a vertical curve,...
Article April 13, 2010
At 14,572 ft long, Runway 13R-31L is the longest runway at John F. Kennedy International Airport (JFK) and the second-longest commercial runway in North America. The runway’s original construction consisted of 12 in. of portland cement concrete (PCC) on 6 in. of stone screenings placed 200 ft wide...
Article May 11, 2009
There is a slight parallelism between the state of our country today and in 1956, when President Dwight D. Eisenhower signed landmark legislation intended to shore up the nation’s defense and strengthen business and trade. The Federal-Aid Highway Act of 1956, also referred to as the National...
Article May 11, 2009
Interest in the use of reclaimed asphalt pavement (RAP) has increased dramatically since the recent price increases in crude oil and energy in general. This interest will probably continue to grow, since many studies have shown that asphalt mixtures containing RAP can have equivalent performance to...
Article May 11, 2009
Maine, along with many other states, is facing the daunting task of dealing with an aging interstate system. Built with concrete slabs in the early 1970s, I-295 from Gardiner to Topsham was suffering from accelerated deterioration caused by alkali-silica reactivity (ASR), a chemical reaction...
Article May 11, 2009
With a large video screen showing coverage of America’s inauguration of change just off to the left, Lindy Paving stood together on a subtle stage in a ballroom at the San Diego Marriott Hotel & Marina and showed everyone exactly what it is capable of doing during a four-year run. The western...
Article January 28, 2009
Some of the best discoveries are unintended. Take the vulcanization of rubber. Mr. Goodyear, in trying to make rubber more useful, accidentally spilled a mix of rubber and sulfur. The resulting mistake had made rubber harder, more durable and less sticky. Bill Bailey and Ian Cousins, the owners of...
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