Written by Trey Trimble, CTO, Transportation Safety Apparel, Inc. First we had canals. Then we made trains. Cars and planes followed shortly after. Then we landed on the moon. Our cities grew, our states were connected, and American infrastructure was in a golden age. Today, our infrastructure is mottled by drinking water crises, bridge collapses […]
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Bridges and other structures fall down relatively often, and every time it happens we wonder if we could have known earlier that there was a problem. What if we could use images from satellites to predict when (and what) might be at risk? Sakthy Selvakumaran is here to show us how. Sakthy Selvakumaran has worked as a civil and structural engineer in multiple roles, continents and cultures before returning to academia.
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Summer is fast approaching, which means construction projects around the state are ramping up. While this construction work will help preserve and revitalize our highways, travelers will notice increased congestion and more time spent on the roads.
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Already a marvel of 20th century engineering, the new Bayonne Bridge is now also a 21st century sensation. Since 1931, the iconic superstructure, formerly the world’s largest steel arched bridge, has spanned the Kill Van Kull, one of the most heavily traveled cargo-carrying waterways, accessing the port of New York and New Jersey. Engineering firms HDR and WSP USA joined forces to modernize the bridge and allow larger ships to cross under it. At the Engineering Excellence Awards Gala, hosted by ACEC on April 17th, Milestone 1 of the “Raising the Bayonne Bridge” project was awarded the highest honor of “Grand Conceptor.”
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The L train shutdown — which will compel tens of thousands of New Yorkers to find an alternate route between Brooklyn and Manhattan — is a year away. But it’s not too soon to prepare. This morning Transportation Alternatives organized the first L Train Bike Train to get Brooklynites in the swing of riding across the Williamsburg Bridge into Manhattan.
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YouTube channel “City Beautiful” travels to Medellin to document a functioning transit system based on urban gondolas. Several proposals could bring similar transit options to the United States, where cities like New York and Portland have already adopted small scale urban gondola use.
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UDOT crews will work on 188 highway construction projects scheduled across the state this year, with a combined value of $1.46 billion. Planned improvements range from small sidewalk and street light installations, to the rebuilding of a 12-lane section of urban freeway. Within the Top 10, projects include widening and rebuilding freeways, constructing new interchanges or redesigning existing ones, and repaving and upgrading other local/regional highways.
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In this Transportation TV News Special Report, Building Highways in the Sky: State DOTs Leading the Evolution of Drones learn about a March 2018 survey by the American Association of State Highway and Transportation Officials that shows 35 of 44 responding state departments of transportation (80 percent) are deploying unmanned aircraft systems (UAS), or drones, for a wide range of purposes. The survey finds that 20 state DOTs have incorporated drones into their daily operations. Another 15 state DOTs are in the research phase – testing drones to determine how they can be utilized. “This is another example of how state DOTs are advancing innovation to improve safety and productivity for the traveling public,” said Bud Wright AASHTO executive director. “Drones are being used to significantly cut the time it takes to gather data, which is leading to major time and cost savings.” Use this link to see the complete results of the March 2018 Survey.
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The following projects are finalists to receive the American Society of Civil Engineers (ASCE) Outstanding Civil Engineering Awards.
The winner, one of the among five finalists, will be revealed at ASCE’s OPAL Gala, March 15, in Arlington, VA.
To see videos of all the finalists, check out ASCE’s YouTube playlist
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David is a Portland resident and an avid walker. He’s also visually impaired, so his daily pedestrian routine can pose additional challenges, and expose weaknesses in the city’s pedestrian infrastructure. Here, PedPDX follows David as he navigates the streets of his Portland and discusses where the infrastructure is working, and where it isn’t.
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