http://www.bts.gov/publications/north_american_transportation_atlas_data/
Saturday, September 16, 2006
North American Transportation Atlas Data (NORTAD)
A comprehensive, free transportation database with data themes and layers for Canada, USA, and Mexico. Data layers include highways, airports, ports, rail, and other transportation routes. Order on CD or simply download for free.. translation routines are also available.
http://www.bts.gov/publications/north_american_transportation_atlas_data/
http://www.bts.gov/publications/north_american_transportation_atlas_data/
