Pickup and delivery service (PU&D)

An optional service for the surface transport of shipments from shipper's door to originating air terminal and from the air terminal of destination to receiver's door, Pickup service, at an additional charge, is provided upon shipper's request, Delivery service is provided automatically by the air carrier at an additional charge unless the shipper requests otherwise. PU&D service is provided between all airports and all local points of such airports.
(Air Cargo from A to Z, Air Transport Association of America)