News

Small increases in rainfall could cause big problems for road networks

By Rayla Bellis There is a lot we still don’t know about how climate change will affect transportation networks and how to make infrastructure more resilient, but new research sheds some light on these questions. A model developed to study the impacts of floods on road networks indicates that

Dense areas are safer but road design is critical

By Chris McCahill Dense development patterns offer important safety benefits, according to new research from the University of Pennsylvania, but high-speed roads in dense suburban centers are deadly for pedestrians. This new study confirms what others have already shown—that attention to

Quantifying the quality and connectivity of sidewalks: walking accessibility indices

By Saumya Jain The May 2019 issue of the Institute of Traffic Engineers journal was focused on healthy and sustainable transportation solutions. With the constant rise in obesity numbers and health concerns, planners and designers around the world are trying to bring back physical activity in

Latinos are being pushed to urban edges, rural areas with few transportation options

By Robbie Webber A study by researchers at UT Health San Antonio details the barriers that Latinos in the U.S. face because of poor access to transportation options. Inadequate transit options, unreliable or spotty schedules, long commutes, and a geographic mismatch between jobs and affordable

Yet more evidence: “If you build it they will drive”

By Eric Sundquist There’s new evidence, from academia and a prominent real-world case, that ever-expanding highway capacity is a futile strategy for reducing congestion. First, the specific example: Eight years ago Southern Californians famously endured “Carmageddon,” a temporary closure on

A troubled marriage between safety research and practice

By Chris McCahill Road design often is not as science-based as we like to think, according to a new study in Accident Analysis & Prevention. Years of biased or misreported research findings inform many of the design practices that are common today. And while there is plenty to be learned from

In Denmark, bicyclists more law abiding when facilities present

By Robbie Webber We have written before about studies that find bicyclists in the U.S. break the law at about the same rate as motorists, although for different reasons. Now a study in Denmark finds that, although Danish cyclists break the law at a far lower rate than in the U.S., the prevalence

Chicago parking concession big win for investors, hard on curb management

By Michael Brenneis As reported by the Chicago Sun Times, the 2018 audit of the Chicago Parking Meters LLC (CPM) financial statement shows parking meter revenue of $132.7 million, down slightly from $134.2 million in 2017. In 2008, before the on-street parking lease to CPM began, and prior to a

State DOT officials discuss how to prioritize repair

By Rayla Bellis Transportation for America and Taxpayers for Common Sense has released Repair Priorities 2019, a new report analyzing pavement conditions, state spending trends, and unmet repair needs nationwide. The report indicates that pavement conditions are getting worse, contributing to a

Hawaii moves toward road usage charge and a clean energy future

By Saumya Jain With continuously declining fuel tax revenues and growing interest in sustainable modes of transportation, many states have initiated conversations around vehicle miles traveled fees. Hawaii has addressed this topic more aggressively than many others. A decade ago, Hawaii set an