research

A method for quantifying risks imposed on cyclists while sharing road with motor vehicles

By Saumya Jain Keeping vehicle occupants and pedestrians safe via engineering standards and street warrants is common practice around the world. But in spite of the growing level of support for bicycling for both commuting and recreation, bike facility design standards are rarely backed by

As crashes rise, distracted driving has (mostly) stayed the same

By Chris McCahill Are cell phones to blame for rising traffic deaths? We have looked for evidence before and came up empty-handed. A new study from the Insurance Institute for Highway Safety suggests that drivers are just as distracted now as they were a few years ago, but some are swapping old

Is working from home really reducing VMT?

By Saumya Jain Several companies worldwide are now trying various strategies for reducing energy consumption, environmental impacts, overhead costs, etc. One such up and coming strategy involves transportation demand management solutions like teleworking and flexible schedules. With advancement

When will everyone have a Connected Autonomous Vehicle?

By Saumya Jain Although many car makers and future thinkers imagine the rapid adoption of connected and autonomous vehicles (CAVs), a recent study, conducted at the FedEx Institute of Technology at the University of Memphis, suggests that buyers may not be so eager to own one. Significant

Red light cameras save lives. Turning them off puts lives at risk.

By Michel Brenneis More than half of the fatalities caused by red light runners are pedestrians, cyclists, other motorists, or passengers. Red light running resulted in 811 fatal crashes in 2016, an increase of 17 percent from 2012 when there were 719 fatal crashes, reports the Insurance

Climate change killing us in more ways than expected?

By Saumya Jain While the positive relationship between traffic crashes and extreme summer conditions is certainly not unheard of, it is rarely used in practice when designing policies or issuing roadway safety warnings. A recent study in Accident Analysis and Prevention shows that heat waves have

Could transit service cuts be responsible for declining ridership?

By Rayla Bellis It is no secret that transit ridership has declined in recent years in many cities in the U.S. after years of increases. Ridership dropped by 2.5 percent nationwide from 2016 to 2017. While some have speculated that this decline is due to decreasing gas prices or competition from

Estimating the amount people drive based on accessibility measures

By Logan Dredske How does the built environment influence the amount people drive? Research by SSTI’s Logan Dredske worked to answer this very question. The focus of his research was to create a framework for estimating vehicle miles traveled based on conditions of the built environment. His

International review confirms speed management is critical to road safety

By Chris McCahill Speed reductions can lower crash risks significantly, confirms a new report by the International Transport Forum, an intergovernmental organization of 59 member countries including the U.S. The research report, Speed and Crash Risk, looks at 11 case studies in 10 different

Hit-and-run crashes are on the rise

By Michael Brenneis Hit-and–run fatal crashes are increasing in the United States. Why? The short answer is that we don’t entirely know. Studies are limited, and data regarding the characteristics of drivers and victims is not extensive. Many hit-and-run drivers get away. Witnesses may not be