If you are going to Amsterdam do not forget to take an architecture tour of the renovated Metro Oostlijn, the East bound Line connecting the Central Station to Amsterdam Zuidoost. The Oostlijn is partially underground and partially elevated above ground. It was built in the seventies in a signature brutalist style.
Architectural studio GROUP A has recently completed the project which includes 5 underground and 11 above ground stations. The 10 years project was carried out with limited budget and without interrupting daily commuter traffic.