A viaduct of grey brick for linking my high level stations, bridges, etc. all of which have names beginning 'DDD HL ...'. 10 metre segments, brick pier at one end which should be placed away from the scenery object to which it is to be attached. Use 'grey conc std clean ...' track (TS2010 built-in) to attach the viaduct to any 'DDD HL ...' scenery object.