The Oldest Subways in the World
- London Underground History (1863) – the oldest tube line. ...
- The Istanbul Tunnel (1875) ...
- Chicago 'L' (1892) ...
- Glasgow Circular Underground (1896) ...
- Budapest's historic metro line (1896) ...
- The Paris Metropolitain (1900) ...
- The Berlin U-Bahn (1902) ...
- New York, the subway that never closes (1904)
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