John Hennessy III,
P.E.
MINNESOTA DEPARTMENT OF TRANSPORTATION
A print survey was distributed to 19 state DOTs expected to have experience with maintaining pollinator habitat on highway ROWs, or partnerships with volunteers to maintain roadside landscapes, to gather information about the development and management of such programs. Representatives from nine Minnesota counties also received the survey to assess pollinator-related activities within Minnesota.
AMERICAN AUTOMOBILE ASSOCIATION (AAA)
AAA projects more than 38 million Americans will travel this Memorial Day weekend. That is the second-highest Memorial Day travel volume on record and the most since 2005. Spurred by the lowest gas prices in more than a decade, about 700,000 more people will travel compared to last year. The Memorial Day holiday travel period is defined as Thursday, May 26 to Monday, May 30.
ADOT is injecting foam deep underneath the pavement as a way to smooth out dips on Arizona highways, including the Loop 101 Pima Freeway. This method is more cost efficient than ripping out old pavement, re-compacting the sub-grade, and placing new concrete or asphalt.
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TRIP
TRIP estimates that Wisconsin roadways that lack some desirable safety features, have inadequate capacity to meet travel demands or have deteriorated pavement conditions cost the state’s residents approximately $6 billion annually in the form of additional vehicle operating costs (including accelerated vehicle depreciation, additional repair costs, and increased fuel consumption and tire wear), the cost of lost time and wasted fuel due to traffic congestion, and the financial cost of traffic crashes.
AMERICAN TRANSPORTATION RESEARCH INSTITUTE
Trucks transported nearly 10 billion tons of freight representing over two-thirds (68.8 percent) of total domestic tonnage shipped1, and traveled more than 279 billion miles on the nation’s roadway network in 2014.2 Due to the critical role of safe and reliable truck movements in sustainable economic growth, it is essential to continually monitor and evaluate the efficiency of the national roadway system. A key impediment to nimble supply chains is the level of traffic congestion experienced on U.S. roadways, and the subsequent costs that are incurred due to this congestion.
The Colorado DOT took to the skies to show off the magnificent infrastructure of the diverging diamond interchange at the intersection of US 36 and McCaslin Boulevard.
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96fix was the largest single-season construction project in state history. Reconstruction of the seven-mile stretch of the 40-year-old freeway included the rehabilitation of 37 bridges, installation of LED lighting and storm sewers, and safety improvements. The $153 million project was completed early and under budget, and brought I-96 in line with current standards. Innovative technologies included visual modeling to gain public support for closing the freeway during construction and 3-D design model for fine-tuning paving work. The process saved taxpayer dollars, cut freeway closure time, and improved pavement quality and safety.
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More than 150 projects are scheduled this season statewide to improve mobility now and in the future. These projects are designed to enhance safety for drivers and pedestrians, improve the flow of traffic and keep Utah’s roads in good condition.
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The 14-mile I-95 Express Lanes project is the nation’s first retrofit of an existing reversible two-lane HOV system into a high-occupancy toll (HOT) roadway. The project team designed operational improvements to the existing six-mile HOV segment from Dumfries to the Prince William Parkway, along with an additional eight-mile extension into Stafford County.
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With increased traffic expected to exceed the highway’s design capacity in the coming years, the project team was tasked with designing new lanes that will be used for both regular and high-occupancy vehicle traffic, reducing the grade on a steep approach to the northbound Eagle River Bridge, designing new bridges over the Eagle River, and creating new frontage roads.
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