Table 2-12: Warning Devices at Public Highway-Rail Grade Crossings: 2000,,,,,,,,,, ,South Dakota,,United States,,,,,,, ,Number,Percent ,Number,Percent,,,,,, Total,"2,140",100.0,"155,370",100.0,,,,,, Cross bucks,"1,824",85.2,"71,468",46.0,,,,,, Gates,17,0.8,"34,296",22.1,,,,,, Flashing lights,194,9.1,"27,100",17.4,,,,,, Stop signs,29,1.4,"11,630",7.5,,,,,, Unknown,75,3.5,"5,253",3.4,,,,,, Special warning,0,0.0,"3,723",2.4,,,,,, "HWTS, WW, bells",1,<0.1,"1,417",0.9,,,,,, Other,0,0.0,483,0.3,,,,,, KEY: HWTS = highway traffic signals; WW = wigwags.,,,,,,,,,, "SOURCE: U.S. Department of Transportation, Federal Railway Administration, Office of Railway Safety, Railroad Safety Statistics Annual Report 2000, Washington, DC: 2001, table 9-4, available at http://safetydata.fra.dot.gov/officeofsafety as of Nov. 21, 2001.",,,,,,,,,, ,,,,,,,,,, ,,, ,,, ,,, ,,,