In one embodiment, a method comprises: establishing a first broadband data link between a first mobile narrowbeam transceiver positioned on a vehicle and a first fixed narrowbeam transceiver mounted along a prescribed path of the vehicle; and switching from the first broadband data link, by the first mobile narrowbeam transceiver, to a second broadband data link with a second fixed narrowbeam transceiver mounted along the prescribed path after the first fixed narrowbeam transceiver, enabling the vehicle to maintain continuous broadband access to a wide area network via a prescribed sequence of the fixed narrowbeam transceivers along the prescribed path.