There is a newer version of the South Dakota Codified Laws
2010 South Dakota Code
Title 31 - HIGHWAYS AND BRIDGES
Chapter 27 - Railroad Crossings
Section 31-27-18 - Minimum overhead clearance--Width of roadway--Approaches.
31-27-18. Minimum overhead clearance--Width of roadway--Approaches. The clearance or overhead room of any subway or undercrossing may not be less than fifteen feet from top of finished grade to bottom of sills of overhead track or trusses. The width or clear roadway of the subway or undercrossing may not be less than twenty-four feet, clear roadway. The approaches to the undercrossing or overhead crossing shall be straight and under no circumstances may these crossings contain curves.Source: SL 1919, ch 333, § 63; SDC 1939, § 28.1105; SL 2010, ch 145, § 132.
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