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Tag: pavement
Roadbuilding
Summer transportation construction rises in 2019
In the summer of 2019, U.S. contractors took on $45.6 billion in transportation or transportation-related projects, $4.8 billion more than last year.
October 23, 2019
Roadbuilding
ACPA backs report calling for more funding for interstate highways
The Transportation Research Board report states interstate funding needs to double or triple to build and replace pavements and bridges for future traffic.
April 23, 2019
Roadbuilding
Road Dryer RD-1200XT gets road crews back to work faster
Road Dryer’s RD-1200XT can dry asphalt and concrete pavement in one pass, allowing crews to quickly begin applying surface treatments or striping.
November 27, 2018
Construction Equipment
La. experiments with precast reinforced concrete pavement for first time
Engineers at the Louisiana Department of Transportation and Development (DOTD) are experimenting with Precast Reinforced Concrete Pavement to improve its highways, KTBS reports. It will be the first time the process has been used in Louisiana, but the Federal Highway Administration (FHWA) has had success with the process in other parts of the country. “The […]
February 19, 2018
Roadbuilding
Concrete Control: Uniformity in pavement mixes begins with proper aggregate management
Concrete mixtures for paving present unique challenges, primarily because most pavement designs require the mix to stand up, particularly at the edges and back of the paver. Thus, it’s critical for the mix to have the correct proportions of the three main components: cement, water and aggregate. The aggregate is the biggest part of a […]
January 19, 2018
Roadbuilding
Mich.’s new Flex Route can cut travel time in half, MDOT says
Drivers on Michigan’s U.S. 23 north of Ann Arbor are experiencing a new traffic management system called Flex Route, in which they can use the inside median shoulder during rush hours. Overhead signs direct drivers when the additional lane is available. A green arrow means it’s open, while a red “X” means it’s closed. Along […]
November 30, 2017
Roadbuilding
Sweeper Trucks: Another tool for prepping roadways for better pavements
A cleaner workspace is always a good thing, but in paving, it can contribute to the road’s quality, if done prior to additional lifts being applied, before seal coating and following milling. Paving contractors can use several sweeping options: they can own their own sweeping trucks, rent them or contract with a sweeping company to […]
September 11, 2017
Roadbuilding
Cold or hot: recycling for pavement preservation conserves materials
In-place recycling for pavement preservation conserves materials Cousins to full-depth reclamation, hot in-place recycling (HIPR) or cold in-place recycling (CIPR) methods are small but modestly growing segments of pavement preservation. Both methods can help conserve materials and resources and create a smaller carbon footprint. Using these processes, the existing pavement is milled, then mixed with […]
January 30, 2017
Roadbuilding
Infrared, all-in-one, 3D pothole repair solutions on the rise, but the basics still rule
The pothole is the bane of both the driver and a transportation department. It can ruin a morning commute and overshadow any positive roadway construction projects in an area. According to AAA, pothole damage costs U.S. drivers roughly $3 billion a year, with roughly 16 million drivers experiencing some form of pothole damage to their […]
July 11, 2016
Roadbuilding
Boeing partners with WSU, Washington Stormwater Center on stronger permeable pavement
Boeing is providing a $212,000 research grant and recycled carbon fiber composite material to the Washington Stormwater Center for research work at Washington State University (WSU) to develop stronger permeable pavement. The donation is part of a larger effort to reduce the flow of stormwater runoff and help filter pollutants from the water. “Water is […]
November 9, 2015
Roadbuilding
Lafarge Tarmac’s new pavement can drain 15 gallons of water per minute. But there’s a catch
Larfarge Tarmac’s Topmix Permeable pavement has been making headlines the past couple of weeks with what appears to be an unquenchable thirst for water. And in the company’s product video (below), it does seem to take on huge amount of liquid, touted at 600 liters per minute per square meter. Do some conversion work and it’s […]
October 9, 2015
Roadbuilding
Louisiana Transportation Research Center develops pavement smoothness best practices focused on IRI
The Louisiana Transportation Research Center (LTRC) teamed up with The Transtec Group to develop a best practices document for achieving optimal pavement smoothness that uses the International Roughness Index (IRI) as a guide. This is significant, as the LTRC says states “are moving away from profilograph-based smoothness specifications” and opting for IRI. The group says the report, […]
August 21, 2015
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