m1 Saturdays – yes Sundays – yes (reduced frequency) Bank holidays – yes (Sunday service) m2 Saturdays – yes Sundays – no Bank holidays – no m3 Saturdays – yes Sundays – yes (reduced frequency) Bank holidays – yes (Sunday service) m3x Saturdays – no Sundays – no Bank holidays – no m4 Saturdays – yes Sundays – yes (reduced frequency) Bank holidays – yes (Sunday service)