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Pricing mechanisms key to reducing transportation emissions

By Chris McCahill Cities, counties, and states are setting ambitious emissions reduction goals, requiring them to cut transportation sector emissions, which account for more than a quarter of the national total. Electric vehicles powered by clean energy could make a big difference, but it is

Could transit service cuts be responsible for declining ridership?

By Rayla Bellis It is no secret that transit ridership has declined in recent years in many cities in the U.S. after years of increases. Ridership dropped by 2.5 percent nationwide from 2016 to 2017. While some have speculated that this decline is due to decreasing gas prices or competition from

New multimodal trip data on the horizon

By Chris McCahill 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

Phoenix struggles with its pedestrian safety record

By Robbie Webber Phoenix has a problem with pedestrian fatalities. The city, along with the entire state of Arizona, has an exceptionally high rate of pedestrian fatalities compared to the rest of the country. It looked like the city was ready to tackle this problem, with a city staff naming 11

Is traffic congestion a good thing?

By Brian Lutenegger Researchers at the University of Colorado at Denver and Florida Atlantic University sought to answer this question: Is the fear of the negative economic effects of traffic congestion justified, or is congestion merely a nuisance with little economic impact? The researchers

Federal grant to increase efficiency in Midwest rail network, untangle Chicago bottleneck

By Michael Brenneis Chicago has become a notorious rail bottleneck, responsible for delays that impede freight delivery, Amtrak, Metra passenger service, and even drivers trying to cross rail lines. Now, one of the worst tangles—the 75th Street corridor—is about to get a little better thanks

Vancouver commission recommends decongestion fees

By Robbbie Webber A new report released by the Vancouver, BC, Mobility Pricing Independent Commission does not provide a single solution for congestion and delay in Metro Vancouver, but it has undoubtedly generated the type of discussion the authors wanted. The report carefully lays out an

Portland guide to streamline protected bicycle lane design

By Michael Brenneis In the United States, bicycling mode share hovers in the single-digits, while many European countries enjoy double-digit cycling mode share. The difference may be due to the attention European planners and engineers pay to cycling infrastructure. Increasing the active

Florida brings dynamically priced express lanes to an already tolled road

By Rayla Bellis The Veterans Expressway in Tampa (State Route 589) will soon be the latest highway in the country to get a dynamically priced express lane in each direction. However, unlike most other managed lanes around the nation, which are typically implemented on an untolled roadway, the

Lessons for the U.S. from Norway’s success with electric vehicles

By Brian Lutenegger Norway is the world’s leader in electric vehicle adoption, and the country has set a goal to be 100 percent electric by 2025. But their experience with the transition to electric vehicles holds some lessons for other countries, including the U.S. Norway has the highest

Estimating the amount people drive based on accessibility measures

By Logan Dredske 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

Cities and developers are preparing for a world with less parking

By Robert Benner 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

What’s causing the increase in pedestrian deaths?

By Robbie Webber 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. Pedestrian fatalities have risen much faster than overall

To improve walking, give pedestrians the green light

By Chris McCahill 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

Many variables in play as deadline for maritime fuel sulfur reduction approaches

By Michael Brenneis 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