SAR Willochra TrackMarks V2

For SAR Peterborough Narrow Gauge Division v2.0 only  Track Marks  Destinations for "Drive Via Trackmark  NAME " or "Drive To Trackmark  NAME " AI commands.  Approach from Quorn      Willochra Main Approach Dn  Approach from Hawker    Willochra Main Approach Up      Willochra Main Up  Willochra Main Dn    Willochra Main Yard Up      Willochra Stockyard Up  Willochra Stockyard Dn    Willochra Loading Bank Up  Willochra Loading Bank Dn