News

NJDOT uses flexibility, community engagement to build context-sensitive interchange

By Bill Holloway When $17 million in funding was set aside for a new interchange on NJ Route 42 in suburban Camden County in 2005, NJDOT’s design concepts involved traditional clover leaf and diamond designs to improve automobile level of service and mobility. However, after engaging the

Expanding alternatives: Interregional express bus service hits the road in Colorado

By Mary Ebeling Bustang, Colorado DOT’s new interregional express bus service is part of the agency’s continuing effort to manage congestion on the I-25 and I-70 corridors. It is also part of the agency’s response to the growing public demand for transportation options for these congested

Politico examines Wisconsin’s “Love Affair with Overpasses”

By Eric Sundquist The transportation record of a prominent presidential candidate is the jumping off point for a lengthy, critical report on American transportation policy in Politico last week. Wisconsin Gov. Scott Walker recently proposed to dramatically increase borrowing in order to support

Internet-connected vehicles may put hackers in the driver’s seat

By Robbie Webber A pair of researchers remotely attacked a Jeep Cherokee and disabled the accelerator on the Interstate outside St. Louis to demonstrate that increasingly-wired cars need better security. Although they are sharing their software hack with Chrysler so the company can patch the

Study confirms that 10-foot lanes make safer intersections

By Chris McCahill Side impact- and turn-related crash rates are lowest at intersections where average lane widths are between 10 and 10.5 feet, according to a study presented at the Canadian Institute of Transportation’s annual meeting last month. This challenges the long-held, but often

Trombino: “System is going to shrink”

By Eric Sundquist Iowa DOT Secretary Paul Trombino created a minor wave in the blogosphere last week when he told an Urban Land Institute audience that the state’s highway and rail system was too big to maintain and would need to shrink. An excerpt of Trombino’s speech, as reported by Charles

Compact, connected development patterns on the rise since mid-1990s

By Chris McCahill Low density, disconnected development patterns—or sprawl—peaked in the mid-1990s, then declined by as much as 9 percent in the following decades, according to a new analysis of street patterns published by the National Academy of Sciences. Because of its innovative

It’s not all about the mode: Race and gender bias in yielding to non-motorized road users

By Mary Ebeling Two recent studies suggest that bias in driver behavior toward other road users could be contributing to enhanced stress levels for certain groups of pedestrians and bicyclists. Recent research documents a difference in drivers yielding to pedestrians based on race in Portland,

Austin, Texas sees road safety and operations improvements with “right sizing”

By Robbie Webber Austin, Texas has released a report detailing their 15-year effort to “right size” streets throughout the city, and the results have been positive. Travel times on the studied segments have not increased, crashes are down by as much as 38 percent, and high-risk speeding has

Vermont taking steps to reduce the number of drivers with suspended licenses

By Bill Holloway The Vermont Agency of Transportation is working to reduce the number of state residents with suspended licenses. As reported by Vermont Public Radio, there are about 30,000 Vermonters with suspended licenses at any time in the state with 626,000 people. The majority of these