; (B) a State; (C) a political subdivision of a State; and (D) a law enforcement agency or emergency response organization. (2) State The term State means a State of the United States or the District of Columbia. . (b) Clerical amendment The analysis for subchapter II of chapter 201 of title 49, United States Code, as amended by this division, is further amended by adding at the end the following: 20172. Rail safety public awareness grants. . 9553. Establishment of 10-minute time limit for blocking public grade crossings (a) In general Subchapter II of chapter 201 of title 49, United States Code, as amended by this division, is further amended by adding at the end the following: 20173. Time limit for blocking a rail crossing (a) Time limit A train, locomotive, railroad car, or other rail equipment is prohibited from blocking a crossing for more than 10 minutes, unless the train, locomotive, or other equipment is directly delayed by— (1) a casualty or serious injury; (2) an accident; (3) a track obstruction; (4) an act of God