While millions of Americans are working from home due to the ongoing pandemic, using public transportation remains a daily necessity for many. Public health measures like wearing a mask, installing new ventilation systems and filters, and reducing capacity all help to keep commuters safe – but there is always more that can be done to ensure the continued safety and security of mass transit nationwide.
To bolster these efforts, the Department of Homeland Security (DHS) Science and Technology Directorate (S&T) has partnered with the Metropolitan Transportation Authority (MTA) in New York City to study how simulated coronavirus aerosols travel through buses and train cars to inform disinfection and other virus mitigation methods.
This is just one example of how the S&T Urban Security Initiative (USI) is working to ensure the security of U.S. public transit systems from hazards – be they natural, accidental or intentional in nature. S&T has been developing and perfecting various threat detection technologies for public transit through this suite of collaborative projects to not only help protect high-density urban areas against virus spread, but also acts of terrorism.
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