The Severn Valley Railway is one of Britain's best known steam railways. Over much of its length, there is only a single track, with passing points at various points along the line. As with any commercial rail operation, the timetable needs to meet passenger needs and health and safety requirements…

Transcript -- A short introduction to this album.

Steam trains in the valley of the River Severn - ensuring the train service meets customer demand and ensures safety.

Transcript -- Steam trains in the valley of the River Severn - ensuring the train service meets customer demand and ensures safety.

The timetable in action and the practical challenges a timetabler faces. Representing a journey as a position-time graph.

Transcript -- The timetable in action and the practical challenges a timetabler faces. Representing a journey as a position-time graph.

How to keep numerous trains on schedule. Analysing the timetable and synchronising cross over points.

Transcript -- How to keep numerous trains on schedule. Analysing the timetable and synchronising cross over points.

Track tokens and train safety. Creating gaps for special excursions within the regular timetable.

Transcript -- Track tokens and train safety. Creating gaps for special excursions within the regular timetable.

Creating a timetable and identifying extra slots on an existing timetable for a more frequent service.

Transcript -- Creating a timetable and identifying extra slots on an existing timetable for a more frequent service.