178 LAWS OF MARYLAND. [CH. 85

ing the weight of the truck and the load thereon, weigh two tons
or less shall be twenty-five miles per hour. The maximum rate
of speed for motor vehicles equipped wholly or in part with
solid tires which motor vehicles, including the weight of
the truck and the load thereon, weigh in excess of two tons and
not in excess of six tons, shall be fifteen miles an hour. The
maximum rate of speed for motor vehicles equipped wholly or
in part with solid tires, which motor vehicles, including the
weight of the truck and the load thereon, weigh in excess of
six tons, shall be twelve miles an hour. The maximum rate of
speed of all traction engines or other iron tired engines, shall
be six miles an hour. No motor vehicle in excess of ninety
inches in width, except traction engines, shall be operated on
any highway in this State, and no traction engine in excess of
one hundred inches in width shall be operated on any such
highway, nor shall any motor vehicle be so operated in which
the limit of load per inch in width of tires shall exceed six
hundred and fifty pounds, without the special permission of the
State Roads Commission 'in the case of a road under its juris-
diction, or the permission of the city authorities in the case of
a city street, or the permission of the county authorities in the
case of a county highway, and no motor vehicle, of which the
weight of the truck and the load combined exceeds fourteen
tons, shall be operated on any highway of this State. Except in
the case of motor vehicles now owned and heretofore registered
in this State, no certificate shall be granted for the registration
of any motor vehicle having a rated carrying capacity of over
five tons, and, except as aforesaid, no motor vehicle having a
greater rated carrying capacity than five tons shall be operated
over any public highway in this State, these provisions being
absolutely necessary in the opinion of the General Assembly
for the proper protection and continued maintenance of the
public highways of this State.

(3) OTHER VEHICLES.

No motor vehicle shall be operated upon any public highway
of this State at a rate of speed exceeding fifteen miles an hour