Except as otherwise specifically provided in this Article, 30 miles per hour is hereby established as the maximum speed at which vehicles may proceed on or along streets and highways within the town.
The speed limit for vehicles proceeding on or along those streets, or parts of streets, described in Schedule H shall be as indicated in said schedule. The maximum speed limit for streets which are a part of the state highway system shall be as established by the State Department of Transportation.
The speed limit at which vehicles may proceed along highways and streets, or parts thereof, passing school buildings and for not more than 300 feet in either direction from the building line of such schools are hereby established as described in Schedule I during the hours indicated on school days.