British Rail Class 414/423

This entry refers to the combined family of 4HAP and 4VEP Southern Region DC EMU types that shared operational and maintenance characteristics on the Southern Region's outer-suburban and main-line stopping services. The Class 414 (4HAP) and Class 423 (4VEP) frequently worked together in multiple-unit formations on Kent Coast, Sussex, and Bournemouth line services, and were maintained alongside each other at Southern Region depots.

For individual class histories, see the Class 414 (4HAP) entry and the Class 423 (4VEP) entry.