From Aldwych on the Strand (which you can now tour, btw), to Down Street in Mayfair, many of these former stations were once part of the Piccadilly line. You can probably spot them from their red ...

Special Thanks to Transport for London More from UK Business Insider UK took a tour inside London's abandoned Aldwych Underground station. The station used to service the Piccadilly line ...

It is a sight to put a smile on the face of millions of Tube passengers – the first new Piccadilly line train for 50 years ...

The busiest tube line on London's underground network has been hit by huge delays this morning. According to a Transport for London update, the Piccadilly ... another major station was "evacuated ...