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Anticipating the costly impacts of climate change in Hawaii

By Logan Dredske Many states are considering what climate change is going to mean for their infrastructure, and Hawaii says their estimated price tag is $15 billion. According to Ed Sniffen, Hawaii’s Department of Transportation (HDOT) deputy director for highways, the state is estimating it

Does telecommuting increase vehicle miles traveled?

By Logan Dredske Recent research published in the Journal of Transport & Health analyzed the impact telecommuting has on vehicle miles traveled (VMT). The research, conducted by Sandip Chakrabarti, used the 2009 National Household Travel Survey to compare daily VMT for those who frequently

Federal bill continues support for transportation programs

By Alex Beckmann The new federal “omnibus” appropriation bill, enacted March 23, provides over $86 billion for the U.S. Department of Transportation, a record funding amount and an increase of almost $10 billion from U.S. DOT’s FY ‘17 funding levels. Road, transit, and rail programs all

Curbs: A new data frontier

By Chris McCahill State and local transportation agencies have long focused on what’s happening between the curbs—collecting data about the speed, volume, and types of vehicles moving along each road—but growing competition for curb space from parked cars, bikes, taxis, TNCs, and deliveries

Opportunities and potential bias in new transportation data

By Brian Lutenegger A new issue brief from the Center for American Progress examines congestion on roadways in the United States and considers the potential and pitfalls of new data sources, such as those provided by private ride hailing companies including Uber and others. Although cities are

Livable arterials, not necessarily an oxymoron

By Eric Sundquist Perhaps nowhere is the conflict between mobility and livability more apparent than along arterials. One problem in improving livability is that, while practitioners have multiple well-established standards for mobility, they have none for livability. Since “what gets measured,

Bicycle level of stress and equity as factors in project selection

By Robbie Webber 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)

Household car travel dropping steadily

Update: Our original post noted a major decrease in household vehicle miles traveled from the 2009 National Household Travel Survey to the 2017 survey. Due to methodological changes from year-to-year, we’re looking deeper into the new data to validate any apparent trends in travel

Pedestrian deaths are a systemic problem in the U.S.

Bu Chris McCahill Pedestrian deaths hovered around 6,000 in 2017, according to a new report from the Governor’s Highway Safety Association. That’s a slight drop from the previous year but still 45 percent higher than in 2009. Media reports have hyped a handful of theories to explain the

Downtown parking: A declining business

By Logan Dredske What effect do Uber and Lyft have on parking demand in urban areas? Just ask Ace Parking CEO John Baumgardner. Ace Parking—which provides a range of services from parking garage management to valet—has experienced a sizeable drop in demand for parking in the company’s San

Research finds R1-6 gateway treatment can rival RFFB and PHB lights at pedestrian crossings

By Robbie Webber Research in Michigan has shown that in-street, yield-to-pedestrian signs can affect both yielding behavior and driver speeds approaching crosswalks to the same degree as installation of a Rectangular Rapid Flashing Beacon (RFFB) or Pedestrian Hybrid Beacon (PHB.) This is good

Rochester makes headway in replacing the Inner Loop with a new neighborhood

By Rayla Bellis Rochester, NY, has completed the Inner Loop East highway removal project, bringing the city one step closer to a more vital and connected downtown. Constructed in the 1960s, the Inner Loop has long served as a barrier between the city center and surrounding neighborhoods, acting

Big data enables new tool for analyzing and diagnosing traffic congestion

By Chris McCahill StreetLight Data, which provides trip-making data from mobile devices and smartphone apps, has just launched a new interactive Congestion Analysis tool. The tool lets subscribers identify congested roads by time of day, break down the traffic in terms of trip length, trip

New technology helps bicyclists at traffic signals

By Robbie Webber A new enhancement to a bicycle detection and counting device solves a problem and improves safety for bicyclists at intersections. The new addition to the Iteris Smartcycle technology allows bicyclists waiting at a red light to be sure they have been detected, that the light will

Wisconsin’s millennial-recruiting pitch falls flat

By Eric Sundquist Here at SSTI Central in Wisconsin, we enjoy a good-natured joke at our southern neighbors’ expense. But now it’s the Flatlanders’ turn to laugh, at a new Cheesehead State ad campaign, which turns out to be about as hapless as Jay Cutler’s QB career. The campaign features