In an R or A district, the width of the driveway hereafter provided shall not be less than shown in the following table opposite the number of off-street parking spaces served; provided that where a driveway is divided by a center strip, the width shall be not less than ten feet on each side, and provided that where a site plan is required to be approved a greater width of driveway may be required as a condition of approval:

(Prior gen. code § 8-63.5)