article: British Rail Class 323
links: Aluminium alloy West Midlands Trains Regional Railways Cross-City Line British Rail Class 304 London Midland British Rail Class 309 Northern Rail British Rail Class 308 British Rail Class 310 Birmingham British Rail British Rail Class 312 Alstom British Rail Class 305 Doncaster Works Leeds Variable-frequency drive Manchester British Rail Engineering Limited British Rail Class 116 Overhead line