The maintenance of the roadbed of the highway through an underpass shall be borne by the State, in the case of a State highway, or municipality, in the case of a town highway, or both, unless, upon petition, the Board shall order otherwise.

(Amended 1959, No. 329 (Adj. Sess.), § 39(b), eff. March 1, 1961; 2023, No. 6, § 29, eff. July 1, 2023.)