In scientific classification of biota, a subphylum is a taxonomic rank in zoological nomenclature. The taxonomic rank of 'subdivision' in fungi and plant taxonomy is equivalent to 'subphylum' in zoological taxonomy.
Another general rule is that your driveway should be around 10 to 12 feet wide, and a few feet wider at the curves. If you have space, itâs always a good idea to provide a larger area at the top for turning around or for additional parking when needed. A 12âx18â space or larger is ideal for this.
A curve or two takes up more land but lends grace. Drives should be at least 10 to 12 feet wide at straight runs and 14 feet wide at curves, says This Old House landscape architect Tom Wirth. If the drive is long, provide a 12-by-18-foot (or larger) space at the top for turning around; this can double as guest parking.