The Brake Gangwayed or BG coach (also known as a Full Brake) is a type of British Railways Mark 1

British Railways Mark 1

British Railways Mark 1 was the family designation for the first standardised designs of railway carriages built by British Railways. Following nationalisation in 1948, BR had continued to build carriages to the designs of the "Big Four" companies , and the Mark 1 was intended to be the...

 passenger brake van. It has a guard's compartment in the centre and two large areas either side for storing luggage. They were a very versatile type of coach and could be found all over the British Railways network and some are still in use today - although not in conventional use.
The British Railways Mark 1 BG was shorter than most other types of Mark 1 coach – the BGs being 57 feet (17.37 m) whereas most other designs were 63 feet (19.2 m). This was so the BG could go everywhere unlike their other Mark 1 counterparts which were banned from some station platforms because of their length.

Due to the large space either side of the guard's compartment and relative 'ease' of conversion, several BGs on preserved railways

Heritage railway

thumb|right|the Historical [[Khyber train safari|Khyber Railway]] goes through the [[Khyber Pass]], [[Pakistan]]A heritage railway , preserved railway , tourist railway , or tourist railroad is a railway that is run as a tourist attraction, in some cases by volunteers, and...

 have been converted for other uses. Two vehicles have been converted into disabled

Disability

A disability may be physical, cognitive, mental, sensory, emotional, developmental or some combination of these.Many people would rather be referred to as a person with a disability instead of handicapped...

 coaches, with one on the Severn Valley Railway

Severn Valley Railway

The Severn Valley Railway is a heritage railway in Shropshire and Worcestershire, England. The line runs along the Severn Valley from Bridgnorth to Kidderminster, following the course of the River Severn for much of its route...

, and another on the North Yorkshire Moors Railway

North Yorkshire Moors Railway

The North Yorkshire Moors Railway is a heritage railway in North Yorkshire, England. First opened in 1836 as the Whitby and Pickering Railway, the railway was planned in 1831 by George Stephenson as a means of opening up trade routes inland from the then important seaport of Whitby. The line...

. Two vehicles at the Midland Railway - Butterley

Midland Railway - Butterley

The Midland Railway – Butterley is a heritage railway, formerly known until 2004 as the Midland Railway Centre, at Butterley, near Ripley in Derbyshire.-Overview:...

 have been converted into disco coaches and Santa's

Santa Claus

Santa Claus is a folklore figure in various cultures who distributes gifts to children, normally on Christmas Eve. Each name is a variation of Saint Nicholas, but refers to Santa Claus...

 Grotto

Santa's Grotto

- The Legend of Santa's Workshop :Santa's Workshop or Santa's Grotto, is the workshop where Santa Claus makes the toys and presents given out at Christmas. In Santa Claus mythology, the workshop is a sprawling complex located at the North Pole...

s, while one vehicle at the Bodmin & Wenford Railway has been converted for use as a catering bar car in the line's dining set.