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State, Federal Agencies Study Snow Squalls' Impact on Driving

Bridge and highway with storm in cold morning near Budweis city CZ 12 02 2023

Photo: Getty Images

State and federal agencies are collaborating to enhance driver safety during snow squalls, a dangerous winter weather event. Agencies such as the Pennsylvania Department of Transportation (PennDOT), the Pennsylvania Turnpike Commission, and the National Weather Service (NWS) are joining forces to study the effects of snow squalls on driving and educate drivers on how to navigate them safely.

Snow squalls are brief but intense periods of heavy snow, often accompanied by strong winds and whiteout conditions, which can catch drivers off guard and lead to severe accidents. In 2022, an 80-car pileup on Interstate 81 in Pennsylvania resulted in six fatalities, highlighting the need for improved safety measures.

The new partnership aims to provide drivers with more relevant information to help them stay safe on the roads. Craig Shuey, Chief Operating Officer for the PA Turnpike, emphasized the importance of this study, stating, "We have seen snow squalls occur on the Turnpike, and it definitely affects how people drive."

To aid in this effort, Dr. Jase Bernhardt from Hofstra University is developing a virtual reality snow squall simulator, funded by a grant from the Road to Zero Traffic Safety Program. The simulator immerses participants in a snow squall, helping agencies understand drivers' perspectives and provide better guidance.

The NWS will also brief its partners, including PennDOT and the PA Turnpike, on days when snow squalls are possible. These agencies can then activate changeable message signs, variable speed limits, and wireless emergency alerts to warn motorists of impending danger.

Larry Shifflet, Executive Deputy Secretary for PennDOT, advised drivers caught in a snow squall to avoid slamming on brakes, turn on headlights and hazard lights, stay in their lane, and increase following distance. The study aims to improve these safety measures and reduce the risk of accidents during snow squalls.


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