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.
Multimodal
Technical assistance helped six MPOs improve how they prioritize projects
Through a grant from the Kresge Foundation, Smart Growth America worked with six regions over the past year to help them use performance measures to advance transportation projects that line up with their priorities for the future. SSTI supported several of the regions, focusing on helping each MPO tie their investments to policy priorities like economic vitality, accessibility to necessities, and equity.
The shortest path usually isn’t the best one, according to bikeshare users
Many transportation models assume that people choose the shortest (or least cost) path connecting them from point A to point B. But this isn’t how individuals actually behave—or so confirms one recent study based on bikeshare trip data. This affects how we model travel behavior, but also our understanding of people’s travel preferences and the ways in which we accommodate them.
Toward livable streets: A review of recent improvements in practice
In the last decade a number of project development and design guides, such as ITE’s “Designing Walkable Urban Thoroughfares,” NACTO’s “Urban Street Design Guide,” and city design guide manuals, have emerged. A new article by Eric Dumbaugh of Florida Atlantic University and Michael King of BuroHappold Engineering, reviews these updated practices. The article finds four general principles of livable streets engineering.
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.
New multimodal trip data on the horizon
StreetLight Data, which provides trip-making data compiled from cellphones and mobile devices, recently announced a new multimodal data initiative called “M2.” The company has offered data from personal and commercial vehicles for several years. SSTI used these data for a study of travel demand management opportunities in Northern Virginia. By incorporating additional data from location-based services, the company can now identify trips made by walking, biking, transit, and potentially other modes.
Bicycle level of stress and equity as factors in project selection
A paper published in the International Journal of Sustainable Transportation suggests integrating accessibility by bicycle, equity, and project selection to tackle the isolation and segregation of low-income neighborhoods in Baltimore. Using bicycle Level of Traffic Stress (LTS) to measure both access to common non-work destinations and disparities in access across different neighborhoods, the authors suggest that projects can be prioritized to improve outcomes for residents that do not own cars and struggle to reach destinations to meet their daily needs.
Chicago to use TNC fees to improve 'L' service
Chicago was the first U.S. jurisdiction to collect a per-ride charge from ride-hailing passengers. Now, Chicago and its transit authority are earmarking a recent increase in the fee to fund transit improvements, and they have announced the specific locations of the projects. Other cities and states are also trying out these fees and taxes, but their application is not yet an exact science.
Accessibility in practice: A new guide from SSTI
The Virginia Office of Intermodal Planning and Investment recently released its new report, Accessibility in practice: A guide for transportation and land use decision making, developed by SSTI with several partners. The guide describes ways of measuring accessibility and, more importantly, how to use those metrics in planning, project evaluation, and other transportation and land use decisions. The information is useful for any state or local agency interested or already involved in making these kinds of decisions.
How land use and access to transit impact taxi demand
Significant research and debate in recent years have surrounded the impacts of ride-hailing services like Uber and Lyft on transportation systems: whether they reduce the need for personal vehicles, how they contribute to or reduce congestion, and how they impact transit ridership. A recent study published in the Journal of Transport Geography may help shed further light on some of these questions by examining taxi demand and its correlation to land use patterns and access to other travel modes in the Washington D.C. region. As the researchers point out, despite the significant growth of on-demand ride-hailing service providers like Uber and Lyft, taxis remain a key asset for urban mobility that can either complement or compete with other modes.