Once you arrive by train or by shuttle bus to Central Station or Garibaldi Station, Milan is a city served well by public transport, including transport of surface area, 4 metro lines (red, green, yellow and purple) and rail loops.
The company of the Milanese public transport is called ATM.
The public transport ticket lasts 90 minutes, costs EUR 1.50, and children under 11 accompanied by an adult are free. Acquire a ticket before getting on public transport.
If you have to go to RHO FIERA Rho Fiera, you have to buy a special ticket to Rho Fiera which costs EUR 2.50