Construction starts on Prague's long-delayed metro D line - Prague, Czech Republic
Prague Metro Map
Prague to begin construction on Metro D next month, expected to be operational by 2027 - Prague, Czech Republic
File:Prague metro plan 1990 7.svg - Wikimedia Commons
Prague metro map seen from inside the subway car. Schematic plan of the red, green and yellow metro lines. Platform visible outside Stock Photo - Alamy
Prague metro plan for 2100 | Subway map, Transport map, Metro map
Metro à Prague et tramway : Plan, tarifs et lieux d'intérêt par station - Vanupied
Prague Metro Map - Maps of Prague - Prague Experience