CODE OF VIRGINIA MAINTENANCE OF MINE OPENINGS (§ 45.1-161.165) Mine openings that are used for entering and leaving the mine and other required travelways shall be kept in good condition and shall at all times be maintained in a safe condition. HISTORY: Code 1950, § 45-71; 1954, c. 191; 1966, c. 594, § 45.1-94; 1994, c. 28; 1999, c. 256; 2005, c. 3.