ME 163 as originally designated in 1925 ran between Ashland at ME 158 (now
ME 11) and Presque Isle at NEI 24 (now US 1). After the Maine Great
Renumbering, the original routing of ME 164 between Presque Isle and
Maplegrove was vacated and added to ME 163.
ME 163's (and ME 164's) original alignment in Presque Isle was
somewhat different, apparently up US 1 to Blake St and then Fort St to
become Fort Fairfield Rd joining the alignment of what is now solely ME 167.
This early alignment is visible on the
1935 topo (warning:
large image).
In 1941 the old landing field was expanded into a staging area for Europe-bound
World War II aircraft battallions and was formally designated as the Presque
Isle Air Force Base in 1950. The expansions that this required caused a
southern rerouting to ME 163, which is seen by 1953 on this
1953 topo (warning:
large image). (The Presque Isle Air Force Base was notable as the only base
with the SM-62 "Snark," a specialized nuclear intercontinental missile
with a top speed of 650mph and a range of 5,500 nautical miles. In active
status from 1959 to 1961, the Snarks under the 702nd Strategic Missile Wing
were only placed on alert once until they were declared obsolete by
President Kennedy. After the base itself was decommissioned in 1961 as well,
it became the present-day Northern Maine Regional Airport.)
It is not clear exactly when ME 163 was moved to
North St as there are few detailed maps of the area, but it is seen by 1987
together on North St without the northern ME 163 bypass; this ME 163
routing went up
US 1 to North St at ME 167's terminus and both
routes exited the town together.
Based on bridge dates, the current bypass seems to have been constructed in
1994; by 1998 it is seen on the bypass alignment up Parsons St/ME 227,
across on the Parsons Rd Connector to cross US 1 and then as Maysville
St to connect with ME 167 just west of Washburn Junction. ME 167 now
runs on the North St alignment by itself.