Section IX-7: Movable property as personal property - Liability of property to execution.

  The rolling stock and all other movable property belonging to
any railroad, transportation, transmission, or other public
service corporation in this State, shall be considered personal
property, and its real and personal property, or any part
thereof, shall be liable to execution and sale in the same manner
as the property of individuals; and the Legislature shall pass no
laws exempting any such property from execution and sale.