Vehicular and pedestrian access and circulation shall be adequate for anticipated traffic volumes. Adequate access shall be provided to all structures within the development, and provision shall be made for future development of adjacent, undeveloped acreage. Design and improvement of streets shall conform with applicable county standards. All streets shall be offered for dedication to the county. Private streets, the design and improvement of which have been approved by the planning commission, may be permitted provided they are limited access streets as defined by Section 17.54.480; do not serve through traffic and will be perpetually maintained by the homeowners association. (Prior gen. code § 8-97.3)