highways

More evidence that wider roads encourage speeding

By Chris McCahill Wider lanes and shoulders encourage faster driving, according to a new study published in the Journal of Transportation Engineering. Researchers from Texas A&M studied uncongested freeways in Dallas, Houston, and San Antonio. Based on more than 650,000 observations, they

Are higher highway speed limits worth it?

By Bill Holloway A recent study indicates that raising speed limits on non-limited access highways from 55 to 65 miles per hour is likely to have a negative benefit-cost ratio when crash injury and fatality costs are fully accounted for. The analysis, which focused on non-limited access highways

Foxx decries highways’ effects on cities; US DOT can help the cause with rulemaking

By Eric Sundquist In a widely covered March 29 speech and interviews, U.S. Transportation Secretary Anthony Foxx described some of the negative effects that highway building has had on cities— particularly middle- and lower-income neighborhoods. The former Charlotte, N.C., mayor recalled his

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

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

Unintended consequences: learning from managing traffic volumes on express toll lanes

By Mary Ebeling Despite the prevalence of anti-tolling sentiment reported in the press, cities like Atlanta and Los Angeles that operate variably priced toll lanes have seen early skepticism give way to heavy use of these lanes by commuters. These successes and the approaches taken by the two

Urban highway fight gets political in Dallas

By Eric Sundquist I-345 is an aging, 1.4-mile-long elevated highway that separates downtown Dallas from Deep Ellum, a popular arts and entertainment district. It has also become a target for urbanists looking to remove downtown freeways. This month a group of civic leaders announced the formation

The Syracuse I-81 Viaduct—an update and progress report

By Mary Ebeling The New York State DOT, the City of Syracuse, and the Syracuse Metropolitan Transportation Council have been working collaboratively for several years to develop alternatives for the replacement of the I-81 viaduct that winds its way through downtown Syracuse. The construction of

Roads designed for speed undermine safety initiatives

By Chris McCahill A version of this article originally appeared on the League of American Bicyclists’ blog. Despite gradual improvements, the U.S. is falling behind its peers in terms of traffic safety. Making matters worse, our nation’s most vulnerable road users—pedestrians and

NYSDOT considers options for Syracuse freeway

By Robbie Webber Michigan DOT and Detroit residents are not alone in considering alternatives for an elevated urban highway. On June 23, New York State DOT officials released six possible options to replace the aging I-81 viaduct in Syracuse. The highway has been the subject of intense debate for