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[?].
... of 427.3/km² (1,104.1/mi²). The racial makeup of the town is 40.00% White, 48.41% African American, 0.30% Native American, 3.41% Asian, 0.00% Pacific ...