This may be of interest: https://en.m.wikipedia.org/wiki/City_Hall_station_(IRT_Lexington_Avenue_Line) https://en.m.wikipedia.org/wiki/City_Hall_station_(IRT_Le

This may be of interest: https://en.m.wikipedia.org/wiki/City_Hall_station_(IRT_Lexington_Avenue_Line) https://en.m.wikipedia.org/wiki/City_Hall_station_(IRT_Lexin... In the Paris system, the majority of the mentioned stations still have traffic running through them. The architecture is maintained.