Browsing All posts tagged under »flexibility«

3 reasons to explore road privatization

October 25, 2012

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Americans are bombarded with rhetoric about the country’s failing transportation infrastructure. We hear horror stories about crumbling bridges, eroded pavement on highways, and a lack of sidewalks connecting communities. Peel away the partisan talking points and there is a common thread among most lobbying efforts: Government will own and operate some or all of the […]

a failure to meet federal standards

August 27, 2012

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From the Federal Highway Administration… A livable community is one in which people have multiple, convenient transportation and housing options as well as destinations easily accessible to people traveling in and out of cars. They also give this quick history… Livability builds off existing resources, policies, and programs: Context Sensitive Solutions Scenario Planning Planning and […]

flexible design is still not mainstream

April 28, 2012

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Thanks in part to FHWA releasing this document, roadway design flexibility has become a popular catch phrase in professional transportation circles. The basic idea is that engineers are smart people who should use good judgment and common sense when designing streets and highways. At the philosophical level, the message has successfully spread. At the practical level, not so […]

evolution of highway decision making

February 19, 2012

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From the FHWA archives: “Risking Success Through Flexible Design“. Over the past decade, through conferences, training, and new partnerships, FHWA and its partners have been working to bridge knowledge gaps and enable transportation planners and engineers to design with flexibility and employ context sensitive approaches with greater confidence and regularity. Understanding this evolving landscape of […]

deadly duo: traffic prediction + LOS metrics

February 7, 2012

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Gary Toth (@eltotho) crams loads of user-friendly education about transportation planning into this article from PPS. He kicks off with a description of the deadly duo: travel projection models and level of service performance metrics. And for the fellow geeks who can’t get enough of this stuff, here’s a bonus video: Toth interviewed by Streetsblog […]

wait…you mean we DON’T have to widen the road?

February 7, 2012

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The 2-lane road in the photo below is a U.S. Highway. According to the state DOT, it carried 16,000 vehicles per day in 2010. The communities along the corridor wanted a main street through their towns, not the high-speed/grade-separated arterial that was on the shelf. They happened to have well-connected advocates and won the battle […]

intended use of the AASHTO green book

January 26, 2012

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Confusion still exists in the design community about the role of AASHTO’s Green Book. When you hear someone suggest that it’s law, refer them to A Guide for Achieving Flexibility in Highway Design…written by…[drum roll]…AASHTO. The AASHTO Green Book is not intended, and never was intended, to be used solely as a standard upon which […]