R30447 BR Blue Class 423 4 VEP No.7712 EMU Train PackThe 4 VEP Electric Multiple Units were built for outer suburban services in South London and on rural services in Kent, Sussex and Hampshire. First introduced in 1967, the units were mainly built by BR at York, although some of the early vehicles were produced at BRs Derby Works. Originally numbered 7701 7894, 194 standard four car sets entered service and were subsequently renumbered into the 30XX and 31XX series in the 1980s to make them TOPS