John Hennessy III,
P.E.
UNION OF CONCERNED SCIENTISTS
Introduction
Over the past 100 years, we have become increasingly dependent on our cars for meeting life’s most basic needs. For most Americans, getting to and from work, bringing food home from the grocery store, or going to the doctor means using one’s car.
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Introduction
Project Rationale and Background
By the year 2030, 19 percent of the U.S. population, and 22 percent of its licensed drivers, will be age 65 or older (Vincent and Velcoff, 2010; Lyman, Ferguson, Braver and Williams, 2002). Contrary to initial expectations, this increase in the proportion of older drivers seems unlikely to lead to large increases in the numbers of traffic crashes and associated injuries and fatalities.
View this complete post...We are replacing the 87-year old two-lane bridge with a wider, four-lane bridge with sidewalks and a bike lane. We will also build retaining walls and an enclosed storm water system for roadway runoff. The new bridge will open to traffic at 5 a.m. Monday, April 16. The bridge will completely close from 8 p.m. […]
View this complete post...The Arizona Department of Transportation continues its Building a Freeway series with more ways to build a bridge. This video and blog (http://adotblog.blogspot.com/) explains dirt fill soffits. Thanks so much. – aashtovideo on YouTube
View this complete post...From the Council on Foreign Relations:
By: Scott Thomasson
Despite the pressing infrastructure investment needs of the United States, federal infrastructure policy is paralyzed by partisan wrangling over massive infrastructure bills that fail to move through Congress. Federal policymakers should think beyond these bills alone and focus on two politically viable approaches.
San Francisco Waterfront and Bay Bridge, 1930s. Various shots.High-angle shot of San Francisco waterfront, daytime, from approximately Pier 6 to 17.San Francisco-Oakland Bay Bridge seen from Yerba Buena Island with ferries sailing underneath.Overexposed shot of Golden Gate Bridge with bright sky in background.Eastern span of San Francisco-Oakland Bay Bridge with Key System Ferry terminal on […]
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Jonathan Nettler, AICP is Managing Editor of Planetizen. He has lived and practiced in Boston, Washington D.C., San Francisco, New York, and Los Angeles on a range of project types for major public, institutional, and private developer clients including: large scale planning and urban design, waterfront and brownfield redevelopment, transit-oriented development, urban infill, campus planning, […]
View this complete post...Construction crews successfully completed an unconventional bridge construction technique known as Accelerated Bridge Construction (ABC) on the OR213: I-205 to Redland Road Overcrossing project, also known as the Jughandle Project, in Oregon City. The ABC method of construction involved initially constructing the new bridge next to the existing highway on a temporary foundation. As demonstrated […]
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TRANSPORTATION RESEARCH BOARD
This report presents guidelines for providing access to rapid transit stations, describes a station access planning process, and provides a high-level station access planning tool. The guidelines, process, and planning tool are based on a detailed review of available literature and transit agency practices, as well as case studies conducted during the course of the research.
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