- BOAT – Byway Open to All Traffic
- Byway – a generic term for BOATS/ ORPAS / UCRS….
- CB – the use of CB radios within laning groups is very common nowadays.
- DM – Definitive Map – the legal document that defines the route and the legal access to use it.
- DMMO – Definitive Map Modification Order – a legal document and process that is used to make changes to the Definitive Map.
- Green lane – an ancient road that didn’t get surfaced with tarmac during the 1920’s and 30’s when the UK’s road system was improved.
- Off-Piste – Not sticking to the legal route. This brings the hobby into disrepute, damages the countryside and can get you prosecuted and potentially get your vehicle crushed.
- ORPA – Other Route with Public Access – historically referred to as “White Roads” because their legend was a white line on OS maps.
- OS – Ordnance Survey – the government body responsible for maintaining high quality maps of the UK.
- PROW – Public Rights of Way Department – the council / Highways group that manages the public rights of way at the local council.
- S34 – Section 34 of the Road Traffic Act – it is illegal to drive a vehicle any other place than the highway without the land owner’s permission.
- S59 – Section 59 of the Road Traffic Act. An “ASBO” for vehicles. Often used in the countryside for vehicles that are reported driving off-piste or inconsiderably.
- Tail-End-Charlie – the vehicle at the back of the group
- TRO – Traffic Regulation Order – a legal document that can limit access to vehicles on a byway. Many different clauses can be written into these.
- UCR – Unclassified County Route
- White Roads – see “UCR”
