18. —In the application of this Act to Scotland—

(a) a reference to paragraph (3) of section three of the Locomotives Amendment (Scotland) Act, 1878, shall be substituted for the reference to paragraph (3) of section twenty-eight of the Highways and Locomotives (Amendment) Act, 1878; and

(b) except in this section, references to a county shall be deemed to include references to a royal, parliamentary, or police burgh containing within its boundaries, as ascertained, fixed, or determined for police purposes, a population according to the census for the time being last taken of or exceeding fifty thousand, and every other burgh shall be deemed to form part of the county within which it is situated, and the expression “county council” shall be construed accordingly; and

(c) section four of the Locomotives Act, 1898, with the exception of subsection (3) thereof, shall apply to Scotland with the substitution of arbitration by a single arbiter to be appointed, failing agreement, by the sheriff, for arbitration under the Arbitration Act, 1889, and county and town councils may borrow for the purposes of the said section as so applied in like manner as they may borrow for the purposes of the Roads and Bridges (Scotland) Act, 1878.