No public laundry shall be operated, nor collections of articles to be washed or cleaned in the laundries shall be made, in the town of West Warwick or Bristol or in any city or town whose population according to the latest federal census was more than twenty thousand (20,000), between the hours of 12 o'clock midnight and 5 o'clock in the morning of any day, nor at any time during the first day of the week; provided, that none of the previous provisions apply to automatic coin-operated laundries.
R.I. Gen. Laws § 5-16-5