research

Highway and LRT nodes have similar impacts on home values

By Bill Holloway Both highway exits and light rail transit stations appear to generate similar impacts on single-family home values. Using a spatial hedonic model to analyze single-family home values in Phoenix, Arizona, researchers found that proximity to a transport node (LRT station or highway

Hand-held cell phone bans miss the mark

By Bill Holloway According to recently published research, California’s ban on driving while using hand-held cellphones, implemented in 2008, appears to have had no impact on crash rates. Researchers, focusing on the six months before and after the ban was implemented, were unable to identify

Which transportation sustainability rating system works for your state?

By Robbie Webber The practice of developing highway projects sustainably by paying attention to the societal, environmental, and economic impact of projects has become increasingly common. States are using transportation sustainability rating systems (TSRSs) to assess the impacts of their

Children killed in DUI crashes likely to be in car with drunk driver

By Robbie Webber Motor vehicle crashes are a leading cause of death for children under 15 years of age, and drunk driving is involved in about one-fifth of these crashes. However, contrary to common perception, the child is likely to be riding in the same car as the drunk driver, and the rate of

BYU researchers predict high crash sites to help UDOT target improvements

By Robbie Webber Researchers at Brigham Young University have developed one of the most advanced traffic safety models in the country, and Utah DOT will be using it to target allocation of scarce funds to the most crucial locations to save lives and prevent serious injuries. Civil engineering

SSTI researcher: ‘Parking requirements transform cities, cost millions in tax revenues’

By Chris McCahill Colleagues from the University of Connecticut and I recently completed a pair of studies examining the long-term, citywide impacts of parking facilities and minimum parking requirements. Our research shows how parking minimums can physically transform urban centers, stifle

Notice any suspicious people while you were driving today?

By Bill Holloway A recent study by researchers at the University of Surrey, England, finds that people traveling through urban areas by car have more extreme positive and negative perceptions of their surroundings and people in the area than those traveling by foot, with the views of transit

CDOT study tests methodology for systematic bicycle traffic measurement

By Robbie Webber As bicycling and walking have become more popular methods of transportation, cities and states are searching for better techniques for estimating traffic from these non-motorized modes. Both on individual corridors and throughout transportation systems, traffic volumes are

Motor vehicle pollution a major contributor to American deaths

By Chris McCahill Last year, following six years of decline, the number of traffic fatalities in the U.S. rose 5 percent—to 34,000—continuing the position of motor vehicle crashes as one of the leading causes of death, particularly among young people. It is the top cause of death for ages 5

Development of Tools for Assessing Wider Economic Benefits of Transportation (TRB, 2013)

The Strategic Highway Research Program II funded the development of tools to help assess the wider economic benefits of transportation projects. The goal of this project was to develop a bridge between (A) the case study form of analysis provided by the Transportation Project Impact Case Studies