Table 2-12: Warning Devices at Public Highway-Rail Grade Crossings: 2000,,,,,,,,,, ,,,,,,,,,, ,Pennsylvania,,United States,,,,,,, ,Number,Percent ,Number,Percent,,,,,, Total,"5,505",100.0,"155,370",100.0,,,,,, Cross bucks,"1,881",34.2,"71,468",46.0,,,,,, Gates,743,13.5,"34,296",22.1,,,,,, Flashing lights,"1,303",23.7,"27,100",17.4,,,,,, Stop signs,144,2.6,"11,630",7.5,,,,,, Unknown,447,8.1,"5,253",3.4,,,,,, Special warning,620,11.3,"3,723",2.4,,,,,, "HWTS, WW, bells",110,2.0,"1,417",0.9,,,,,, Other,257,4.7,483,0.3,,,,,, ,,,,,,,,,, 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.",,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,, ,,,,,,,,,,