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Archive for the ‘Roads’ Category

Washington, DC: What The Barnes Dance Looks Like

Thursday, December 7th, 2017

A Barnes Dance Intersection (also known as a “pedestrian scramble”) operates differently from a standard traffic signal-controlled intersection and allows pedestrians to cross diagonally while vehicles on all sides of the intersection are stopped at a red signal. In June 2017, DDOT put in place a Barnes Dance at 14th and Irving Street NW, which […]

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A World Without Road Signs

Tuesday, December 5th, 2017

Some cities in Europe are undergoing a fascinating transformation: they’re getting rid of all of their road signs. That’s thanks to a design concept called “shared space,” where urban planners drastically lessen the presence of traffic lights, signs, and barriers, encouraging all forms of transportation to share the road.  There’s evidence that drivers often totally ignore road signs, so the heightened risk forces commuters to remain on high alert as they pass through an intersection, in theory leading to safer travel. But by stripping cities of their traditional traffic control systems, they leave disabled residents in the dark — and that’s sparked a powerful debate of how to balance ease of movement with all residents’ needs.

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Utah DOT: October Region 2 News Update

Friday, October 27th, 2017

In this month’s Region Two News Brief, we review the major construction projects across the Salt Lake Valley and look ahead to 2018. This episode of Region Two News recaps some of the high volume projects happening around Salt Lake County including : The Bangerter 4 interchanges; an update and look ahead into 2018 I-215; […]

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Seattle, WA: Fly Through the Entire SR 99 Tunnel

Tuesday, October 24th, 2017

Now that the tunneling machine Bertha’s work is complete, it’s possible to fly a drone with a video camera from end-to-end inside Seattle’s SR 99 tunnel. In two minutes, you’ll see two miles of ongoing construction work. The upper roadway of the tunnel’s double-deck highway is more than 85% complete. Up next? Installation of the lower roadway, and all the systems it takes to operate a modern tunnel.

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Climate Change and Its Impact on Infrastructure Systems in the Midwest

Friday, October 13th, 2017
Climate change and infrastructure in the Midwest

The lifeblood of a community is its infrastructure system. In light of Hurricanes Harvey, Irma, and Maria – which are only the most recent examples of extreme weather events to affect the nation – the Midwest Economic Policy Institute (MEPI) has examined the anticipated impact climate change will have on the Midwest.

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Rising Traffic Volumes Reaffirm the Need for Infrastructure Investment: FHWA

Friday, September 8th, 2017
Federal Highway Administration Logo

The Federal Highway Administration (FHWA) isn’t pulling any punches with the conclusion it draws from the latest figures for U.S. traffic volumes, which show “a streak of steadily increasing vehicle miles travelled (VMT) that began in 2011.”

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What’s Working: Governor Cuomo on the Making of New York’s Massive New Bridge

Monday, August 28th, 2017

Part of the new, state-of-the-art bridge replacing the aging Tappan Zee over New York’s Hudson River opens Friday. Norah O’Donnell climbed to the top of the Gov. Mario M. Cuomo Bridge with New York Gov. Andrew Cuomo to find out what it took to get the bridge built on time and on budget in four years.

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What Skewed Rail Crossings Do to Bicyclists

Monday, August 21st, 2017

This video is the result of a research effort by faculty and students at the University of Tennessee to document and study the hazards associated with railway grade crossings on bicycle safety (published in the Journal of Transport & Health). Most video was captured in August and September, 2014 on Neyland Drive, in Knoxville TN. The City of Knoxville has since realigned both rail crossings largely solving the safety problem.

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FHWA: Total Solar Eclipse – What You Need to Know

Thursday, August 17th, 2017
Map of total solar eclipse 2017

On Monday, August 21, 2017, all of North America will be treated to an eclipse of the sun. Anyone within the path of totality can see one of nature’s most awe inspiring sights – a total solar eclipse. This path, where the moon will completely cover the sun and the sun’s tenuous atmosphere – the corona – can be seen, will stretch from Salem, Oregon to Charleston, South Carolina. Observers outside this path will still see a partial solar eclipse where the moon covers part of the sun’s disk. NASA created this website to provide a guide to this amazing event. Here you will find activities, events, broadcasts, and resources from NASA and our partners across the nation.

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Colorado DOT Never Sleeps

Thursday, August 10th, 2017

At CDOT, it’s our job to do two things in transportation: save lives and make people’s lives better.

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