From the train stations Centrale, Porta Garibaldi and Lambrate take the green subway line toward Abbiategrasso; get off at Cadorna station and change to the red line toward Rho Fiera Milano.
From the Cadorna train station take the red subway line toward Rho Fiera Milano.
For info on trains and schedules:
www.trenitalia.com and
www.trenord.it
Fiera Milano is also accessible through the railway link
line S5 (Varese-Gallarate-Milano-Pioltello-Treviglio) and
line S6 (Novara-Magenta-Milano-Treviglio) from the following stations in the city: Certosa, Villapizzone, Lancetti, Porta Garibaldi subway, Repubblica, Porta Venezia, Dateo and Porta Vittoria.
Several inter-regional trains on the Turin-Novara-Milan line stop at the Rho Fiera Milano station. A shuttle service connects the trains stations Rho and Rho Fiera Milano.