DHS Science and Technology Directorate

NYCT Subway Sensors: Early Warning for Chemical and Biological Threats

Public transportation is the backbone of a city. It moves people safely and quickly from place to place for work, school, events, meetings, and running errands. It connects businesses and families together. Keeping these systems safe without impeding or slowing the flow of traffic is critical. So how do you monitor public transit spaces for potential biological or chemical hazards without slowing anyone down?