Study: One-way car-sharing reduces VMT, GHG emissions, and vehicle ownership

By Robbie Webber A recent study done by researchers at University of California-Berkeley has answered several questions many have had since car-sharing began: Does car sharing increase or decrease driving? What is the effect on overall VMT, vehicle ownership, and GHG emissions among car-sharing

Fatal crashes spike after red light cameras are removed

By Chris McCahill Red light cameras save lives despite frequent controversy about the way programs are administered. Fourteen cities turned off their red light cameras from 2010 to 2014, resulting in a 30 percent increase in fatal crashes due to red light violations and a 16 percent increase in

Traffic deaths rose 8% in 2015, more than 10% among non-motorized road users

By Chris McCahill Traffic deaths rose to 35,200 in 2015, a 7.7 percent increase from the previous year, according to preliminary estimates from the National Highway Traffic Safety Administration. This is the highest number of deaths since 2008, when there were 37,400. Cyclist deaths increased by

New research reinforces the importance of the built environment to cycling mode share

By Bill Holloway A recently published study sheds new light on the importance of the built environment in influencing bicycle commuting and the resulting impacts on greenhouse gas emissions. The researchers first gathered household travel survey data for the years 1998, 2003, and 2008 for

Support for transportation taxes and fees: Gauging public opinion

By Mary Ebeling The Mineta Transportation Institute has released its seventh annual survey report of public opinion on a variety of tax policies for funding transportation. The current survey presents ten tax options, worded in general terms and touching on different formulations of a vehicle

Texas DOT considers major highway removal in new plan for Dallas

By Chris McCahill Earlier this month, the Texas DOT released CityMAP, a document outlining how the agency might handle Dallas’ aging highways over the next 24 years. Most notably, it could lead to the removal of two major freeways from the downtown entirely. In one scenario, Interstate 30,

Montana approves digital billboards amid continuing national debate

By Bill Holloway The Montana Transportation Commission recently voted 4-1 to allow digital billboards along highways in areas zoned commercial or industrial. The signs were allowed despite substantial public opposition. However, they are subject to a number of restrictions aimed at reducing their

Report summarizes Wisconsin bicycle and pedestrian crash circumstances

By Robbie Webber A report released by University of Wisconsin-Milwaukee researcher Robert Schneider looks at crashes involving pedestrians and bicyclists throughout Wisconsin from 2011-2013 to determine the conditions behind the most serious crashes, those resulting in fatalities and serious

FHWA encourages ROW solar facilities

By Eric Sundquist As DOTs look to meet environmental goals and bring in revenue, several have turned to using building roofs and surplus ROW to site solar-electric generating systems. Leaders in this field include Oregon DOT and Massachusetts DOT. Launching such a program, however, may put DOTs

Breathe easy: Sleep apnea and transportation safety

By Mary Ebeling Obstructive sleep apnea is a respiratory disorder that causes breathing to stop and start repeatedly during sleep, sometimes as many as 400 times a night. The condition results in increased daytime drowsiness and reduced reaction time among sufferers, and this has drawn the