There were V-shaped ditches on each side of the road, each  deep and  wide. These were situated roughly  from the south kerb and  from the north kerb, making a total width for the road zone of  to the ditch centres.
The road had V-shaped ditches on either side, about  feet deep and  feet broad. The position of these ditches, roughly  feet from the curb in each direction, defined the overall width of the road.