312 (disambiguation)
312 may refer to: The year 312 AD The year 312 BC The number 312 China National Highway 312 (312国道), known as The Mother Road, a key east–west route running 4,967 km (3,086 mi) from Shanghai on the East China Sea to the western Chinese border with Kazakhstan in Central Asia. One of several Ferrari racing cars with 3 litre 12-cylinder engines: The 312, 312B and 312T Formula One cars The 312P and 312PB sportscar prototype class cars The British Rail Class 312 EMU 312 Pierretta, a main-belt asteroid The USS Young (DD-312) destroyer The Chicago Loop area code 312.