Assuming you are traveling into LA, Union Station, I found this information on the website, not sure if anything will help or not. Good luck!
LOCAL PUBLIC TRANSIT
Los Angeles Metro
www.metro.net
Red Line (subway) to North Hollywood via Wilshire/Western, connection to Blue Line to Long Beach.
Gold Line to Pasadena
1-800-COMMUTE (266-6883) (within Los Angeles Area)
1-213-626-4455 (Outside Los Angeles Area)
Speech and Hearing Impaired 1-800-252-9040
Buses
LADOT Transit (213, 310, 323, 818) 808-2273
Commuter Express (West Los Angeles, Santa Monica, San Fernando Valley, Simi Valley, South Beach, San Pedro and other surrounding communities)
DASH 1-213-808-2273 (Downtown Los Angeles and surrounding areas)
City Hall Shuttle, San Pedro Electric Trolley and Bunker
Hill Trolley (Provide various employee sponsored shuttles in the downtown LA)
Antelope Valley Transit Authority 1-661-945-9445 ext.200 (LA/Palmdale/Lancaster)
Foothill Transit 1-800-RIDE-INFO (743-3463) (San Gabriel/Pomona Valleys)
Metro Buses 1-800-COMMUTE (266-6883) (L.A. area)
1-213-626-4455 (Outside Los Angeles area)
Orange County Transportation Authority 1-714-636-RIDE (7433)
(San Clemente, San Juan Capistrano, Irvine, Santa Ana, Anaheim, Fullerton, Costa Mesa, Laguna Beach)
Santa Clarita Transit 1-661-294-1287 (Santa Clarita)
Santa Monica Transit (Big Blue Bus) 1-310-451-5444 (Santa Monica Freeway Express)
Torrance Transit 1-310-618-6266 (Long Beach)
Airport Shuttle Buses
FlyAway Bus $4.00 one way service every 30 minutes from 5:00 a.m. to 1:00 a.m., hourly 1:00 a.m. to 5:00 a.m. Children are $2.00. More information: <http://www.lawa.org/flyaway/>.
Metropolitan Express Van 1-800-338-3898 $20.50/person* (meets every train)
Primetime Shuttle 1-800-733-8267 $14.00/person*
Super Shuttle 1-310-782-6600 $13.75/person*
*Above fares are approximate from Union Station to LAX. These shuttles also serve other regional airports and destinations.
Taxi Service
(Located at the north side of Union Station)
Independent Taxi 1-323-666-0050
United Independent Taxi 1-213-483-7660
Yellow Cab (310 or 213) 808-1000
Or call 1-800-TAXICAB (829-4222)
Car Rentals
Hertz Car Rental 1-800-654-3131
7:00 a.m. to 6:00 p.m. Mon - Fri
8:00 a.m. to 2:00 p.m. Sat - Sun
Budget Rent A Car 1-800-527-0700
7:30 a.m. to 5:00 p.m. Mon - Fri
8:00 a.m to 12:00 p.m. Sat - Sun
(Located in the Union Station terminal)