The National Car Rental Shuttle is located at the center aisle on the first floor of the airport terminal in the shuttle bus pick area. Please proceed to the counter located on the first floor of the Airport terminal near baggage claim to obtain your rental agreement. Return Directions: Directions from Interstate 95- take exit 69-Palm Beach International Airport and follow the signs to Car Rental Returns. Directions from the Florida Turnpike- take exit 97-Southern Blvd. and head east to the Palm Beach International Airport. Follow the signs to Car Rental Returns.