The southern section is electrified and provides a feeder passenger service.

Some sections were electrified using 25 kV from the outset.

This section of the line was electrified for this service and eight new stations were built.

The remaining section was never electrified and is now largely closed, although some of it is used for freight.

When this section is electrified, class 425 trains will be used.

The initial section was planned to be double track and electrified throughout from the beginning.

They're provided by Class 380's as the section of line is electrified.

As of 15 June 1948 this section was electrified, to reduce the significant costs of steam operations.

The section of track along Albert Street was never electrified.

This section is not electrified and the line speed is 70 mph.