Los Angeles Metro | 39,798 followers on LinkedIn. Metro plans, builds and operates transportation for the people of Los Angeles. | Metro is unique among the nation’s transportation agencies. We serve as transportation planner and coordinator, designer, builder and operator for one of the country’s largest, most populous counties. More than 9.6 million people – nearly one-third of California’s residents – live, work and play within our 1,433-square-mile service area.