Neptune, an automatic and electronically equipped track fault recorder; Tinsley marshalling yard; freight trains - cement, limestone, cars; Reading station and signal box; the laying of long welded rails; Toton diesel maintainance depot; new electrification multiple unit rolling stock for service from Euston, locomotive cab training simulator, Willesden control room; Cross-Channel - launching the SS Dover... are topics featured in this film.
| Directing | Nick Nicholls | Director |
| Directing | John Taylor | Director |
| Writing | Richard Kilburn | Writer |
| Production | John Legard | Producer |
| Camera | Lewis McLeod | Director of Photography |
| Camera | Jack West | Director of Photography |