§ 99. Application of foregoing section. The provisions of sections eighty-nine to ninety-eight, inclusive, of this chapter shall also apply to all steam surface railroads existing on the first day of July, eighteen hundred and ninety-seven, or thereafter, on which, after said date, electricity or some other agency than steam shall be substituted as a motive power. None of the provisions of said sections shall apply to crossings in the city of Syracuse under the jurisdiction of the Syracuse grade crossing commission. The terms "municipality" and "municipal corporation" as used in said sections shall include cities, villages, towns and counties.