A green lane is an unsurfaced road (at least in the United Kingdom). Some may be open to vehicles, they would probably only be passable in a 4x4 vehicle (SUV), others are designated a bridleway[?].
... are non-families. 13.2% of all households are made up of individuals and 4.4% have someone living alone who is 65 years of age or older. The average household size is ...