The provisions of these rules, so far as they are the same in effect
as those of any existing valid rules, orders or regulations heretofore
made by the Board of Selectmen of Great Barrington relative to or
in connection with official signs, lights, markings, signal systems
or devices, shall be construed as a continuation thereof, but all
other existing rules, orders and regulations so made for the regulation
of vehicles are hereby expressly repealed. This repeal, however, shall
not affect any punishment or penalty imposed or any complaint or prosecution
pending at the time of the passage hereof for an offense committed
under any of said valid rules, orders or regulations hereby repealed.