The selectboard of a town within which a public highway crosses or is crossed by a railroad, or the general manager or attorney of a railroad corporation whose road crosses or is crossed by a public highway, may bring their petition in writing to the Transportation Board, alleging that public safety requires an alteration in such crossing, its approaches, the method of crossing, the location of the public highway, the elimination of such crossing, the closing of such public highway crossing and the substitution of another therefor, not at grade, or the removal of obstructions to the sight at such crossing, and praying that the same may be ordered, or such proceedings may be instituted by the Agency of Transportation or the Board of its own motion and without petition. The Board shall thereupon appoint a time and place for hearing the petition on notice of not less than ten days to the petitioners, the railroad, the municipality in which such crossing is situated, the owners of the land adjoining such crossing, and adjoining that part of the highway to be changed in grade, and to the Attorney General, who shall, by himself or herself or through the State's Attorney of the county wherein the crossing is located, represent the interests of the State at such hearing. After such notice and hearing, the Board shall determine what alterations, changes, or removals, if any, shall be made and by whom. (Amended 1959, No. 329 (Adj. Sess.), § 39(b), eff. March 1, 1961; 1993, No. 172 (Adj. Sess.), § 63.)