1/3. From films set in quaint but sinister, neon-lit motels, to TV adverts where rickety filling stations punctuate lonely desert highways, images from the American road are a familiar sight in the British media. Kevin Connolly hitch-hikes from Miami to New York on a romantic search for a uniquely American landscape that has entered public consciousness - despite the fact that it now barely exists - and finds himself in unexpectedly dangerous and amusing situations. Repeated from Sunday