Section 22C. Any city or town, having installed parking meters or coin-operated locking devices for bicycle parking under the provisions of section twenty-two A, may install parking meters in municipally owned or leased off-street parking lots and other devices for controlling such off-street parking lots, and may use any receipts from parking meters and other devices so installed for the purpose of purchase or lease of additional parking lots, the care and maintenance of the same, and in general for any traffic control or traffic safety purposes, including payment for public liability coverage in connection with the use of said municipally owned or leased parking lots.