§ 2. Definitions. 1. When used in this chapter, unless the context or
subject matter otherwise requires, the terms "state department of
transportation," "state transportation department," "department of
transportation," "transportation department," "department," "state
commissioner of transportation," "commissioner of transportation,"
"commissioner," and "state engineer," shall each be deemed to refer to
and to mean the state department of transportation and the state
commissioner of transportation, respectively.

2. The term "county engineer" or "county superintendent," when so
used, shall mean the county engineer of highways or county
superintendent of highways respectively.

3. The term "town superintendent," when so used, shall mean the town
superintendent of highways.

4. A highway within the meaning of this chapter shall be deemed to
include necessary sluices, drains, ditches, waterways, embankments,
retaining walls and culverts having a width of opening of twenty feet or
less except as provided in section two hundred and thirty, and also the
approaches of any bridge or culvert beginning at the back of the
abutments. The pavement over any such bridge or culvert may also be
included as a part of the highway provided such pavement is separated
from such structure by an earth fill.

5. An "infant", as used in this chapter, shall mean any person who has
not attained the age of eighteen years.