ACCESS 47, Fall 2015

Introduction: We Want to Hear from You!

Donald Shoup

Dear Readers, As many of you know, ACCESS is a grant-funded publication. One of the things our funders look for is whether ACCESS is making transportation research accessible to a wide audience. Do we reach enough people? Do we help enact policy change? Do we help people better understand the transportation issues of today? We think the best way to know whether we are achieving our goal is to ask our readers.

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2017-05-19T22:57:32+00:00Categories: ACCESS 47, Fall 2015|Tags: |

Quantified Traveler: Travel Feedback Meets the Cloud to Change Behavior

Raja Sengupta and Joan L. Walker

Halting climate change will require a concerted effort to reduce emissions from on-road vehicles. While significant progress has been made to improve vehicle efficiency and reduce CO2 emissions, surface transportation accounted for half the increase in US greenhouse gas (GHG) emissions over the past two decades. Today, surface transportation accounts for 24 percent of all US emissions. Automobile improvements alone will not be sufficient to meet federal and state emissions targets; policy makers also need to identify solutions that reduce the demand for car travel. Information technology offers a promising breakthrough on this front.

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Unraveling the Modal Impacts of Bikesharing

Susan Shaheen and Elliot Martin

Public bikesharing has emerged as one of the latest transportation innovations, transforming North American cities and providing people with more transportation options. Much attention has focused on how new bikesharing programs fit in with the largely auto-oriented transportation culture. But there is another fascinating question: how do bikesharing programs influence the travel patterns of their members with respect to travel by rail, bus, and on foot?

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Does Transit-Oriented Development Need the Transit?

Daniel G. Chatman

Urban planners have invested a lot of energy in the idea of transit-oriented developments (TODs). Developing dense housing near rail stations with mixed land uses and better walkability is intended to encourage people to walk, bike, and take transit instead of driving. But TODs can also be expensive, largely because rail itself is expensive. In one study, the average cost for light rail construction was $61 million per mile in 2009 dollars.

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Life-Cycle Impacts of Transit-Oriented Development

Matthew J. Nahlik and Mikhail Chester

There is a growing interest in pedestrian and transit-oriented development as a way to reduce the cost of transportation and home energy use. Yet there is little knowledge of how much alternative travel modes and compact developments reduce environmental impacts and household costs. As US cities begin to rethink their growth, city planners need better tools to measure the environmental and economic effects of infrastructure redesign.

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Changing Lanes

Joseph F. DiMento and Cliff Ellis

Few planning decisions have affected American cities as much as those involving urban freeways. Massive freeway infrastructure projects have reconfigured urban form, supplanted neighborhoods, displaced tens of thousands of people, and cost billions of dollars. Congress and state legislatures passed important new laws that guided where freeways could be built, what funds were available, which types of consultation and analysis should be conducted, and what impacts were permissible. Lawmakers and courts required that projects be planned and completed with maximum sensitivity to the environment, with concern for relocating displaced residents, and with active citizen participation.

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THE ACCESS ALMANAC: Common Ground

Karen Trapenberg Frick

With political polarization hindering progress in public policy and meaningful engagement at all levels of government, now is a good time to reflect on how we run public participation processes. How do legislative requirements—like those for the regional planning process in California—help or hinder meaningful public engagement? What are the biggest challenges and opportunities for improving public engagement?

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2017-05-26T21:37:09+00:00Categories: ACCESS 47, Fall 2015|Tags: |
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