1990 SEVEYOE AND STATE SURVEY. [ART. 91

the supervision and to the satisfaction of said commission; and the
'entire expense of replacing the highway in as good condition as before
shall be paid by the persons to whom the permit was given or by whom
the work was done; provided, however, that no electric railway company
in operation upon any public or private road or existing or abandoned
turnpike when acquired hereunder shall be disturbed in its operation
or in the maintenance of its roadbed and overhead construction and all
necessary repairs, together with the maintenance of the space between
its tracks and two feet on each side thereof shall be performed by such
railroad company under the supervision and to the satisfaction of said
commission. Said commission may give suitable names to the State/
highways and may change the name of any highway which becomes a
part of a State highway. They shall erect suitable guide posts at con-
venient points along State highways.

1908, ch. 143. sec. 32 F. 1910, ch. 218, sec. 32 F (p. 301)
38. Each county in which a State highway, or any section thereof
lies, shall at its own expense keep such highway clear of all obstruc-
tions, except ice, to be reasonably safe for travel. The county shall
have police jurisdiction of and for all State highways within its limits,
and shall forthwith give notice in writing to the state roads commis-
sion of any defect or want of repair in such highway or highways.
Where in any county the county commissioners shall enter into an
agreement with the state roads commission to maintain in good con-
dition the dirt roads improved as such and as hereinafter provided,
and over which the State roads are to be constructed as indicated, then
it shall be the duty of the said commission, at the earliest practicable
time, to provide for the grading, draining and shaping of all the dirt
roads, or as much as possible of the same, in such county over which
the State roads are to be built, for the convenience of the public and
to compact the roadbed, leaving the macadam construction to be there-
after made as the same may conveniently progress; in its specifi-
cations for road work it shall be the duty of the said commission, as
far as practicable, to establish a unit or units of measure by weight,
or its equivalent by volume, for stone, gravel, shells, or improved
materials used in construction of State roads, to be applied in advance
of the material being placed in position, and records shall be kept of
the weight of such materials and where used, and of all freights, paid
for transfer of the same, and which items shall be published annually;
and the said commission may contract with the commissioners of any
county to grade as aforesaid and to maintain and repair, and to more
fully construct the State roads within the borders of such county on
the following general terms; the state roads commission to specify:

1. The width of the macadam, shell, gravel, or other material for
improved surface to be used.

2. The tons of macadam, stone, gravel, or other material per mile
to be used, and local material to he used whenever available.

3. The maximum grades.