Tatra Electric Railway
Legend:     

━━━  Primary lines
━━━  Secondary lines
━━━  Tertiary lines
http://sharemap.org/public/Tatra_Electric_Railway
Geospatial data sources: 

Open Street Map Data (ODbL) - http://www.openstreetmap.org/copyright
NORTAD - http://www.bts.gov/publications/north_american_transportation_atlas_data/
Natural Earth - http://www.naturalearthdata.com/