All off-street parking space and off-street loading space shall be provided with safe and convenient access to a street. Access drives or driveways shall not be less than 10 feet in width. If such space is located contiguous to a street, the street side thereof shall be curbed and ingress and egress shall be provided only through driveway openings through the curb not exceeding 25 feet in width and located and constructed in accordance with specifications prescribed by the Enforcing Officer.

No access drive or driveway in any R District shall be used to provide access to uses other than those permitted in such R Districts.