(a) Market houses and terminal sheds.--Boroughs may erect and maintain market houses and terminal sheds on wharves for the receipt and distribution of freight and express.

(b) Tracks and facilities.--Boroughs may construct railroad and street railway tracks or other facilities on wharves to provide for the convenient hauling of freight or express matter and may collect rents, tolls or charges for the use of market houses, terminal sheds, tracks and facilities. No permit other than a license revocable at will shall be granted, and no exclusive permit for the use of the facilities shall be granted.