The use changes.

The use expands its gross floor area by 20% or more.

The use is destroyed and seeks to be reestablished.

The use is discontinued for a period of six months or longer and seeks to be reestablished.

One-family and two-family dwelling: one space per dwelling unit.

Multiple-family dwelling: four spaces per three dwelling units.

Hotel, motel, tourist home, boarding house, bed-and-breakfast: one space per guest room, plus one additional space.

Dormitory, fraternity, sorority, nurses' home, hospital: one space per two beds, plus one additional space.

Places of public assembly: one space per five seats, or one space per 100 square feet of floor area, whichever provides for a greater number of spaces.

Business, professional and medical offices: one space per 250 square feet of office area, plus one additional space.

Commercial and business: one space per motor vehicle used directly in the business, plus one space per 350 square feet of business area.

Restaurant, eating and drinking establishments: one space per 100 square feet of floor area.

Industrial, wholesale, warehouse, storage, freight and trucking uses: one space per motor vehicle used directly in the business, plus additional spaces as determined necessary by the Planning Board.

Unspecified uses: as determined necessary by the Planning Board.

A parking space shall be not less than 10 feet by 20 feet exclusive of access ways and driveways. A required driveway shall be not less than 20 feet clear in width, except for one-family and two-family residential uses.

Off-street parking may be located off-site but must be within 500 feet of the site.

No nonresidential or multiple-family dwelling parking area shall be located within 10 feet of a side lot line.

To the greatest extent possible, all parking areas for nonresidential and multiple-family dwelling uses shall be located behind the facility and out of roadside view. Where parking areas must be located in side or in front yards adjacent to public streets, and where parking must be located adjacent to residential areas, appropriate buffering, landscaping or visual barriers shall be provided. Side yard parking areas in the VC Zone shall be screened from view along the front building line.

Landscaping shall be provided around parking areas which shall be designed to break up the visual impact of such areas. Plantings shall be designed to provide adequate site distances to vehicles entering and exiting the site. When large areas are to be paved, parking rows shall be designed with the landscaping interspaced within the paved area.

All parking areas for nonresidential and multiple-family dwelling uses shall be designed to allow vehicles to exit front first onto streets.

One parking area may contain required spaces for more than one use. The required spaces assigned to one use may not be credited to another use, except where the uses operate at different times. The applicant shall provide written evidence that the owner has granted permission for such shared parking.

All parking areas shall be surfaced with dust-inhibiting materials acceptable to the Planning Board.