After some delay application was made to Parliament for authority to convert their line for locomotive operation.

The new owners altered the gauge to the standard 4 ft 8 in and laid stronger track for locomotive operation.

In 1846 the line was closed temporarily while the new owner laid stronger track for locomotive operation, turning it into a proper main line railway.

Full details including visiting locomotive operations are included in the Steam Festival souvenir brochure.

The shed was the heart of locomotive operations in Marxgrün.

Although the G&GR had planned for locomotive operation, there was evidently also significant horse-drawn traffic.

Regular locomotive operation by the John Bull began September 9 of that year.

A number of short and isolated lines were originally operated by horse, unless connected to the main system and converted to locomotive operation.

Port Wakefield tramway until lengthened and converted to locomotive operation.

The railway took over the tramway in 1859 and rebuilt it for locomotive operation in 1867.