Sesto Primo Maggio is a station on Line 1 of the Milan Metro. The station was inaugurated in 1986 as the new terminus of the line.
The station is located in Piazza Primo Maggio in the municipality of Sesto San Giovanni, outside the urban territory of Milan. Due to this, tickets from this station cost 65% more than urban area tickets. The underground station is located under the Sesto San Giovanni railway station of Ferrovie dello Stato.
The station is underground with three tracks in two separate tunnels.
Coordinates 45°32'29.941" N 9°14'18.182" E