Tag: DOTs: Page 79

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

U.S. Chamber calls for 25-cent gas tax, among other measures to aid infrastructure

The U.S. Chamber of Commerce is calling for a 25-cent gas tax to help pay for the nation’s roads, bridges and transit. But the Chamber’s vision for an infrastructure package goes well beyond the gas tax. On Thursday, Chamber President and CEO Thomas J. Donohue pledged that the Chamber will push for an entire toolkit […]

January 19, 2018

Roadbuilding

ACI releases 2018 ACI Collection of Concrete Codes, Specifications, and Practices

The American Concrete Institute (ACI) announced the release of its 2018 ACI Collection of Concrete Codes, Specifications, and Practices, which was formerly known as the Manual of Concrete Practice. It contains information on concrete design, construction, and materials, with nearly 50 codes and specifications and more than 200 practices, including guides and reports. Categories covered in the […]

January 19, 2018

Roadbuilding

Work continues to open Cal. highways closed by mudslides

California Department of Transportation crews are working to clear mud off Highway 101 and State Route 33 following massive mudslides. Caltrans reports that multiple crews are working seven days a week on State Route 33 in Las Padres National Forest in Ventura County. The agency says it is clearing about 7 million pounds of dirt each […]

January 18, 2018

Roadbuilding

HNTB Corp. taps MassDOT veteran Anderson as project delivery officer

HNTB Corp. announced that David Anderson, PE, is its new Massachusetts project delivery officer. He will be responsible for operations in Massachusetts, including contracting and work planning, as well as quality and technical excellence. “Dave is a well-known and highly respected transportation professional with extensive expertise on high-profile transportation infrastructure projects,” said Gary Bua, PE, […]

January 18, 2018

Roadbuilding

La. officials push plan to widen I-10

A $600 million proposal to ease traffic congestion in Louisiana includes widening Interstate 10, according to WVLA news station. State officials deem the highway the state’s most congested road. The project would widen the interstate from the Mississippi River bridge to its intersection with I-12, WVLA reports. The project is estimated to cost $350,000 and […]

January 18, 2018

Roadbuilding

I-95 N.J. undergoes redesignation to I-295

New signs are going up along Interstate 95 in New Jersey as part of a project to redesignate the highway to I-295. Sign installation began January 16 in Mercer County with new signs and mile markers beginning at the Route 1 interchange and extending south toward the Delaware River and back. The signs will remain […]

January 18, 2018

Roadbuilding

Conveyor bridge transporting materials over roadway on Cal. Route 180 project

In the video below, Sam Yniguez, a public information officer with the California Department of Transportation (Caltrans), highlights a conveyor system bridge that will be used on the Kings Canyon Road (State Route 180) project in eastern Fresno County. The system will improve safety, reduce vehicle emissions, and relieve traffic congestion by transporting an estimated […]

January 17, 2018

Roadbuilding

Smith-Midland wins $9 million I-66 safety barrier contract

Smith-Midland, out of Midland, Virginia, says it won a $9 million contract to supply and install up to 245,000 linear feet of J-J Hooks precast safety barrier on a Virginia highway project. The firm contracted for the work with FAM Construction, a partnership of Ferrovial Agroman US and Allan Myers, the lead construction firm on […]

January 17, 2018

Roadbuilding

Bipartisan group releases new report, ‘Rebuilding America’s Infrastructure’

The Problem Solvers Caucus released a new report, Rebuilding America’s Infrastructure, with policy recommendations for building America’s infrastructure. The 48 member bipartisan Problem Solvers Caucus, led by Co-Chairs Tom Reed (N.Y.-23) and Josh Gottheimer (N.J.-05), launched an Infrastructure Working Group, co-chaired by Reps. John Katko (N.Y.-24) and Elizabeth Esty (Conn.-05), tasked with finding consensus on a […]

January 17, 2018

Roadbuilding

Remnants of old Tenn. iron bridge imploded

The video below shows the implosion of the remaining iron spans of the Hoskins-Jarnagin Bridge in Dandridge, Tenn. on December 21, 2017. The Standard Banner reports that the old, narrow bridge, which was completed in 1944, was removed to make way for a new $29 million concrete bridge. The center span of the bridge had […]

January 16, 2018

Roadbuilding

Neb. DOT: state program will help fund repairs or replacements of 66 bridges

The Nebraska Department of Transportation (NDOT) has selected 22 proposals from 68 submitted in December for the second round of the County Bridge Match Program (CBMP). The CBMP provides funding to counties for the innovative replacement and repair of deficient county bridges. Selected proposals include 66 bridges in 35 counties at a total construction cost of $8.5 million, the agency […]

January 16, 2018