RETB

AcronymDefinition
RETBRadio Electronic Token Block (radio-based signaling system for use on single line railways)
References in periodicals archive ?
Contract Awarded for RETB (Radio Electronic Token Block) contract for Scotland s Far North and West Highland Lines by Network Rail to deliver a replacement radio infrastructure.
The next generation RETB system will be implemented on the rural single track lines from Glasgow to Oban via Fort William and from Inverness to the North Coast of Scotland at Thurso.
Signals along one short section of the track not currently RETB controlled will be removed and the entire 136-mile route will be controlled from one site.