A Municipal Police agent, commonly known as "ghisa" in Milan, at Duomo station. Picture by Carlo Orsi, 1964. The line 1 map was already showing the South-Western branch towards Gambara, which was already under construction but not opened yet.
Bob Noorda, the Dutch designer, posing under the San Babila station name. He designed the signage system for the subway in Milan. One of his innovations consists in repeating the name of the station every 5 metres, a feature soon adopted in several cities worldwide.