Rome Suburban Railways Class 420 423 at Piazza Porta Maggiore, January 20, 2008 Class 420 423 at Piazza Porta Maggiore, January 20, 2008 Class 830 831 at Piazza Porta Maggiore, March 29, 2008 Class 830 831 at Piazza Porta Maggiore, March 29, 2008 Class 830 832 at Piazza Porta Maggiore, March 29, 2008 Class 830 836 at Piazza Porta Maggiore, March 29, 2008