The operator of any school bus shall, before crossing at grade any tracks of any railroad, bring his vehicle to a full and complete stop within not less than fifteen feet nor more than fifty feet from the rail of the track nearest to the front of such vehicle and shall, after such stop, ascertain if it is safe to proceed before crossing such tracks.

Legislative history
1962 Code Section 21-815; 1952 Code Section 21-815; 1942 Code Section 1626-3; 1937 (40) 367; 1972 (57) 2492.