Each parking space shall be capable of containing a rectangle nine feet in width and 20 feet in length and be contiguous to a driveway permitting access to a street.

Driveways (other than driveways serving a single family residence without an accessory use requiring parking) contiguous to parking spaces to be used for one way travel, shall not be less than the following widths, whether or not the parking spaces are on one or both sides of the driveway:

Driveways (other than driveways serving a single family residence without an accessory use requiring parking) contiguous to parking spaces to be used for two way travel shall not be less than 20 feet wide no matter what the angle of parking.