ALBERT C. RITCHIE, GOVERNOR. 1229

sioners, and that its quality is approved by the Roads Engi-
neer for use on the road upon which it is proposed to be
used. All contracts made by the County Commissioners for
the repair or construction of roads or bridges shall be re-
duced to writing and all payments thereunder shall be sub-
ject to the approval by the Roads Engineer of the work done
under the contract. Whenever work on any road or bridge
involves an outlay of five hundred dollars or more, plans and
specifications therefor shall be prepared by the Roads Engineer
and bids for work invited by reasonable publication in such
papers as the Commissioners may designate; but it shall not
be obligatory upon the said Commissioners to have such work
done by contract if it be found after receiving bids there-
for that the same can be clone more cheaply by direct employ-
ment of required labor.

451B. The County Commissioners of Harford County
shall and may adopt all necessary and reasonable rules, regu-
tions and orders with reference to the proper care, repair,
improvements, construction and maintenance of the county
roads and bridges, and shall have power to make all such
rules and regulations with reference to the use of the roads,
streets, avenues, lanes, alleys and bridge's of the county by
telephone and telegraph companies, steam railroad and street
railway companies, gas, water? and electric light companies,
and similar uses thereof, and by individuals and the travel-
ing public, as said Commissioners may consider necessary for
the proper protection of said roads, streets, avenues, lanes,
alleys and bridges of the County and the rights of the public
therein, and impose reasonable penalties for a violation of
such rules and regulations and make other necessary provi-
sions for the enforcement thereof, ⁽and shall have the right from
time to time to change or alter the same; and all such rules
and regulations, when adopted and recorded in a book or
books kept for the purpose, shall have the force and effect
of municipal ordinances regularly adopted by authority of
the Legislature of the State of Maryland. The magistrates
and constables of the county shall be charged with the duty
of enforcing all such rules and regulations; and, in addi-
tion to other methods of enforcing all such rules and regu-
lations said County Commissioners shall have the right to
apply to the courts of equity of the State for an injunction
to enforce compliance therewith, in which case it shall not
be necessary to make other jurisdictional averment than the