The concept is like security at amusement parks, where people are screened as they walk past pillar-style scanners.

Metro began screening passengers at the C-Line Norwalk station Monday for concealed weapons as part of its efforts to enhance ...

As part of a one-year pilot program, the weapons detection technology was introduced to riders on Monday at Metro's Norwalk ...

In an effort to boost safety, LA Metro officially started screening for concealed weapons at specific locations ...