In August, Uber and Lyft jointly released an analysis conducted by Fehr & Peers examining how their vehicles are contributing to VMT in six major cities: Boston, Chicago, L.A., San Francisco, Seattle, and Washington, D.C. The study found that Uber and Lyft vehicles account for just 1-3 percent of total VMT in the metro regions. However, they are contributing a significantly larger share in the core counties of several of these regions.
TDM
Overabundant parking fuels car-oriented living in greater Boston
A new report from the Metropolitan Area Planning Council reveals 30 percent of residential parking in the Boston area goes unused at night. This new study builds on an earlier report, featured in an SSTI webinar, growing the sample from 80 properties to 189 across 14 municipalities throughout the city’s inner core. The additional data also let MAPC test for significant factors affecting parking demand. MAPC estimates that the 5,910 empty spaces in their study represent $94.5 million in development costs, or roughly $5,000 per housing unit.
Spending smarter: lessons and opportunities for state DOTs
Two states that are changing how transportation investments are prioritized were featured recently on an SSTI webinar. Virginia just funded a third round of projects under its Smart Scale program, while Hawaii piloted its own SmartTRAC program with help from SSTI and Smart Growth America. SSTI will soon be launching a new project to learn from these past experiences and guide future programs, and we invite interested agencies to reach out.
TDM best practice: Shout out to Greater Richmond Transit Company
In an era of falling transit ridership and utopian sustainability goals, Richmond, Virginia, seems to have hit the nail on the head. With the introduction of a bus rapid transit line and an overall bus system redesign, the Greater Richmond Transit Company has increased transit ridership in the region by 17 percent. GRTC’s distinctive carpooling and vanpooling system has grown extensively in the past decade. A recent article by Mobility Lab explains in detail the reasons and strengths behind GRTC’s continued success.
Shifting from LOS to VMT would save time, money, and better support local goals
Two recent studies suggest that California’s change in assessing the impact of development—from level of service (LOS) to vehicle miles traveled (VMT)—can reduce costs for developers and streamline the review of projects. Under the new guidelines, both studies to determine transportation impacts and any mitigation measures after review are less costly than the previous requirements. This has been confirmed not just by academic studies, but also by the City of Pasadena in a paper by recently-retired Director of Transportation, Fred Dock.
Researchers re-evaluate how we value transportation
Transportation agencies and metropolitan planning organizations often wrestle with how to properly value transportation investments, especially when it comes to things that can’t be measured in terms of vehicle delay, such as multimodal access and environmental justice. Some of these challenges are tackled in a new issue of Research in Transportation and Business Management, edited in part by SSTI. Those familiar with SSTI’s recent work in the development and implementation of accessibility metrics may be interested in a paper describing a new measure of non-work accessibility.
To meet clean energy goals, everyone will need better transportation options
The proposed Green New Deal, like many local green energy and climate action plans across the country, aspires to eliminate greenhouse gas emissions. SSTI has crunched the numbers in several cases, including for Hawaii’s Transcending Oil report, and found that ignoring the amount that people drive means even the most ambitious energy plans could fall well below their targets. But that also means focusing on those who drive the most—typically in far-flung suburbs with limited transportation options—and finding creative ways for them to reduce their impacts.
Estimating policy effects on reduced vehicle travel in Hawaii (SSTI, 2019)
Transcending Oil, released in April 2018, describes Hawaii’s path toward meeting its ambitious clean energy goals by 2045. The report was commissioned by Elemental Excelerator and prepared independently by Rhodium Group and Smart Growth America. It focuses mainly on transitioning the electrical grid to renewable energy while moving large numbers of vehicles to electric power but also points to the importance of managing overall travel demand through transportation policies and investments. This technical guide describes the methods and findings behind Transcending Oil’s travel demand forecasts, developed by SSTI and Smart Growth America.
Modernizing Mitigation: A Demand-Centered Approach (SSTI, September 2018)
This report proposes a new approach to assessing and responding to land use-driven transportation impacts, called “modern mitigation.” Instead of relying on auto capacity improvements as a first resort, this approach builds on practice around transportation demand management (TDM) to make traffic reduction the priority. Based on programs dating to the 1990s in several cities, a modern mitigation program requires certain new land uses to achieve TDM credits.
SSTI CEO Community of Practice meets in Boston
CEOs and other senior officials from 16 state DOTs, as well as the Massachusetts Commission on the Future of Transportation, gathered in late July for SSTI’s annual Community of Practice meeting. While the conversation was free-flowing without any formal motions or votes, and so is not readily summarized, readers may enjoy seeing the briefing materials that formed the basis for the discussion.