A general rule is to reduce the size of the dataset as much as possible (simplifying) while still providing the model with a realistic set of roads (densifying) where it would permitted to haul wood (now and in future planning periods).


The existing line work can be a shapefile or an ArcInfo coverage. It is not necessary to have the coverage built as a network, although it is a good idea to have end nodes snapped together.

Some of the common simplification steps involve: