"Driveway" means a road network element that provides a single access for vehicles and pedestrians to one lot serving a maximum of two dwelling units. (Added by Amended Ord. 02-064, Dec. 9, 2002, Eff date Feb. 1, 2003; Amended by Amended Ord. 08-101, Jan. 21, 2009, Eff date Apr. 21, 2009; Amended by Amended Ord. 12-049, Oct. 3, 2012, Eff date Jan. 1, 2013).