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Problems viewing this message: View it online SSTI news for May 22, 2018 |
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SSTI's Logan Dredske estimated the ability of a new transit line along route 31 in Madison, WI (red) to reduce vehicle miles traveled and thus greenhouse gas emission. Darker colors indicate greater reductions. (view full map at ssti.us)
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Estimating the amount people drive based on accessibility measures
How does the built environment influence the amount people drive? Research by SSTI’s Logan Dredske worked to answer this very question. The focus of his research was to create a framework for estimating vehicle miles traveled based on conditions of the built environment. His goal was to use measures of accessibility as the principal proxy for the built environment. The research also converted vehicle miles traveled into greenhouse gas emissions and evaluated the ability of transportation projects to reduce emissions. [more] Cities and developers are preparing for a world with less parking
Chandler, AZ, may be the first city to recognize that apartment dwellers will need less parking in the future. In anticipation of autonomous vehicles, the city is changing its zoning code to loosen parking minimums in new buildings. Developers welcome such flexibility, as building parking can be expensive and AVs and other emerging technologies, such as ridesourcing and bikesharing, are reducing the need for tenants to own personal cars. [more] What’s causing the increase in pedestrian deaths?
A new report from the Insurance Institute for Highway Safety calls out a variety of factors responsible for the shocking surge in pedestrian fatalities between 2009 and 2016—up 46 percent and the most deaths since 1990. They note as significant the increased use of SUVs as personal vehicles, lack of convenient and safe crossings, poor roadway lighting and inadequate headlights, excessive speed, and a lack of speed enforcement. Pedestrian fatalities have risen much faster than overall traffic deaths, which only increased by 11 percent during the same period. Pedestrians now account for 16 percent of all traffic deaths. [more] To improve walking, give pedestrians the green light
Walking in many parts of the U.S. is notoriously difficult and increasingly dangerous, but there’s one simple way that transportation agencies can start tipping the balance in favor of those on foot: by adjusting signal controls. That’s according to research highlighted by the Institute of Transportation Engineers. [more] Many variables in play as deadline for maritime fuel sulfur reduction approaches
Maritime shipping remains the most efficient way to transport goods, considering its weight to fuel-economy ratio. Still, an average container ship running on typical high-sulfur fuel emits nearly the same amount of sulfur oxides (SOx) as 10 million diesel passenger cars. By some counts shipping contributes over 5 percent of global sulfur emissions. Beginning in January 2020, the United Nations International Maritime Organization (IMO) is requiring the maritime industry to reduce the sulfur content of its fuels from 3.5 percent to 0.5 percent, in an effort to reduce SOx, particulates, and other pollution. [more] In case you missed it
Recording of our BUILD webinar now available
TIGER is now BUILD. Other changes you need to know: We had a great webinar last week with answers to many questions about how to write the strongest request for funding from the BUILD program. If you missed it, a recording is now available on our website. From the news
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