“ CROSSING.— The term `crossing ́ means a location within a State, other than a location where one or more railroad tracks cross one or more railroad tracks at grade where— (A) a public highway, road, or street, or a private roadway, including associated sidewalks and pathways, crosses one or more railroad tracks either at grade or grade-separated ”

“ The facility shall be used to test and evaluate the vulnerabilities of above-ground and underground rail tunnels to prevent accidents and incidents in such tunnels, to mitigate and remediate the consequences of any such accidents or incidents, and to provide a realistic scenario for training emergency responders. ”

“ TITLE I—RAILROAD SAFETY IMPROVEMENTS Sec. 101. Federal Railroad Administration officers and duties. Sec. 102. Railroad safety strategy. Sec. 103. Railroad safety risk reduction program. Sec. 104. Implementation of positive train control. Sec. 105. Railroad safety technology grants. Sec. 106. Reports on statutory mandates and recommendations. Sec. 107. Rulemaking process. Sec. 108. Hours-of-service reform. Sec. 109. Protection of railroad safety risk analyses information. Sec. 110. Pilot projects. TITLE II—HIGHWAY-RAIL GRADE CROSSING AND PEDESTRIAN SAFETY AND TRESPASSER PREVENTION Sec. ”