The LA County Metropolitan Transportation Authority operates the Metro train service on several lines around Los Angeles. The nearest station to LAX airport is Aviation Station.
A free shuttle bus from the lower level of all terminals serves the Aviation Station of the Metro Green Line.
The Green Line runs west-east between Redondo Beach and Norwalk. Transfer at Harbor Freeway for the Silver Line to Union Station, or at Imperial/Wilmington Station for the Blue Line.
Trains operate every 7-12 minutes from around 4:15 am to 11:45 pm.
The Metro fare is $1.25 one way, $2.50 round trip.
More information is available at 800 266-6883 or online.