R30469 Class 423 4-VEP EMU BR Blue 3417 "Gordon Pettitt" - 4 Car Train PackExpected Delivery October 2026 (Subject to Change at Manufacturer's Discretion). The Class 423 4 VEP was once a common sight across the Southern Region third rail network, from the 1960s right through to the early 2000s when they were withdrawn. But now, thanks to the tireless work of the Southern Electric Traction Group, passengers are once again able to travel upon one of these slam door icons, No. 3417 Gordon Pettitt in BR Blue, which is the