A "Road" is defined at section 142 of the Road Traffic Regulation Act 1984 as any length of highway or other road to which the public has access and includes bridges over which a road passes. A quad bike may also be ridden on roads classified as "Public Right of Way" or byways. These are often called green lanes, but also known as BOATs (Byway Open to All Traffic), Unclassified County Roads, white roads or G roads.