John Hennessy III,
P.E.
Clearing the debris slide blocking SR 503, 20 miles east of Woodland isn’t as easy as just removing trees and rocks from the highway. A large crack shows where the rock face of the slope has separated from the hillside, making it unsafe below. Record rainfall along with freezing temperatures aided in the debris fall. As of Friday, March 17, the slope is still moving and unstable. We shot this video using a drone, so we can start developing a permanent repair plan.
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Look back in time at the evolution of Reagan National and the varied uses for the land where the new commuter concourse will emerge. From a World War II hangar to interim commercial gates to the Airports Authority corporate headquarters, see how the airport has evolved to meet the needs of our passengers and the region.
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Drone’s-eye view of the East Link light rail tunnel portal where work has begun on the new tunnel to run under downtown Bellevue. Trains roll in 2023.
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This video provides special coverage of the 2017 Transportation Research Board (TRB) 96th Annual Meeting held at the Walter E. Washington Convention Center, in Washington, D.C. January 8–12. In this video, TRB Executive Director Neil Pedersen discusses his agency’s outreach to the Trump administration and he also explains the meeting’s global appeal attracting this year, an estimated 13,000 transportation professionals from 70 countries.
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With a time-lapse camera mounted 54-feet high, you almost get a bird’s-eye view of work inside Seattle’s SR 99 tunnel. As the tunneling machine Bertha builds the tunnel, road crews are right behind – building the foundations, walls and the top deck of the double-deck highway drivers will travel on when the tunnel opens. Take a look.
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Written by David Parker Brown, Editor-in-Chief and Founder of Airline Reporter The Seattle-Tacoma International Airport (SEA) has been my home airport most of my life. I have seen the many changes over the years and I am proud to call it mine. Growing up, I lived in Oak Harbor, WA (about 90min northwest of Seattle) […]
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An overview of the reasons why the new SR 520 floating bridge was built on Lake Washington, and some of the solutions the project team developed to efficiently build the world’s longest floating bridge. The project won a 2016 Excellence in Design (Engineering) Award from the Design-Build Institute of America.
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TRANSPORTATION SUSTAINABILITY RESEARCH CENTER Impacts of Car2Go on Vehicle Ownership, Modal Shift, Vehicle Miles Traveled, and Greenhouse Gas Emissions: An Analysis of Five North American Cities Executive Summary Carsharing is the shared use of a vehicle fleet by members for tripmaking on a per trip basis. There are four forms of carsharing in North America today: […]
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In collaboration with the National Park Service, the Office of Energy Efficiency and Renewable Energy opened one of the first hydrogen fuel station demonstration facilities in Washington D.C.
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This video was provided by Ballard Marine Construction, the firm in charge of managing and performing hyperbaric work on the SR 99 Tunnel Project in Seattle. It shows crews at work behind the SR 99 tunneling machine’s cutterhead during a planned maintenance stop in spring 2016. To stabilize soil and water that would otherwise flow through openings in the cutterhead, crews must pump compressed air into their work space at the front end of the machine.
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