The Aurn Valley line runs between Three Bridges and Arundel calls at Crawley ,Ifield, Faygate , LittleHaven, Horsham , Christ's hospital , Bilingshurst , Pulbourgh , Amberley and Arundel the line is 14.4 miles long and 1 tunnel and the signal system is from three Bridges and Arundel Power signal centre class 377 and 700