§ 24-1-102 — Location, survey and construction

(a) Any such highways, and such additional highways in
connection therewith as may be provided for, which are
designated as state highways, shall be located and surveyed
under the direction and supervision of the director of the
department of transportation or his authorized representative,
who shall cause plans and specifications of the highways to be
prepared, and designate the materials to be used in their
construction. He shall take into consideration the climate, soil
and materials to be had in the vicinity, and the extent and
nature of the probable traffic on the highway with a view to the
most economical construction consistent with efficiency.
(b) Where any such highways are designated as a county
highway the same shall be located and surveyed under the
direction of the county surveyor of the county in which such
highway is located; said county surveyor shall cause plans and
specifications of any such highway to be prepared and the board
of county commissioners of such county shall designate the
materials to be used in their construction. Said board of county
commissioners shall take into consideration the climate, soil,
and materials to be had in the vicinity, and the extent and
nature of the probable traffic on said highway with a view to
the most economical construction thereof consistent with
efficiency. The expense of locating, surveying, and constructing
such county highways shall be paid by the county in which such
highway is constructed.