Transit security refers to the measures and protocols implemented to protect passengers, staff, and infrastructure within public transportation systems. This includes buses, trains, subways, and airports. Security efforts often involve surveillance, screening processes, and the presence of law enforcement to deter and respond to potential threats. Effective transit security aims to ensure the safety of individuals while maintaining the efficiency of transportation services. It encompasses various strategies, such as access control, emergency response plans, and passenger education, to create a secure environment for everyone using these essential services.