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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To keep parks open, we have to find a sustainable funding source for maintenance and operations. If Congress can’t approve more appropriations for the parks, the NPS will be forced to make systemic changes. The slope is already sliding toward private investment, but it’s up to the American people (and policymakers) to decide what will ultimately happen.
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The U.S. Department of Transportation is working to expand access to opportunity for all Americans.
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Watch and share this time-lapse movie of construction for the new San Francisco Museum of Modern Art (SFMOMA). See progress for the Snøhetta-designed expansion with high definition webcam imagery from June 2013 to September 2015.
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PEOPLE FOR BIKES
Protected bike lanes are the biggest new thing in years for helping more Americans enjoy time on two wheels…That’s why, starting today, cities around the United States are celebrating National Protected Bike Lane Week. And it’s why we created this infographic summarizing all the great things protected bike lanes can do — not just for people who bike, but for everyone.
After nearly a week of tunneling under the Alaskan Way Viaduct, crews are steadily continuing Bertha’s underground drive towards downtown Seattle. This video gives you a behind-the-scenes glimpse into how the new tunnel is being built, showcasing the complex operations involved in this project. Massive concrete ring segments are transported to Bertha’s segment erector where they are lifted into place, allowing the machine to push forward while the excavated soil is transported along a network of conveyer belts and into a barge moored at Elliott Bay’s Pier 46.
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Transportation plays a key role in the economy and in the challenges and opportunities associated with sustainable development. Sustainable transportation addresses local, regional and national priorities and requires considerable coordination. Transportation Sustainability: Hawaii illustrates the holistic approach being taken in that island paradise to meet current and future mobility and accessibility needs while protecting environmental resources.
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The Pulaski Bridge had become dangerously congested over the last few years as more and more bikes, pedestrians and runners have crammed on to its narrow shared path. The solution? Remove one lane of the roadway and give the space to a bi-directional cycle track giving the older combo lane to the exclusive use of pedestrians.
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The idea of transportation demand management, or TDM, unites our research and coverage at Mobility Lab. As new transportation modes emerge in cities, helping people navigate their options has become a key part of using the overall system.
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Secretary Blankenhorn talks about the FAST Act and the benefits it will have for transportation in Illinois, in this edition of Inside IDOT.
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