it as needed. (e) Definitions In this section: (1) Blocked crossing The term blocked crossing means a circumstance in which a train, locomotive, railroad car, or other rail equipment is stopped or is standing in a manner that obstructs public travel at a crossing. (2) Positive train control system The term positive train control system has the meaning given the term in section 20157(i) of title 49, United States Code. 9555. Railroad point of contact for blocked crossing matters Section 20152 of title 49, United States Code, is amended— (1) in subsection (a)— (A) in paragraph (1)— (i) in subparagraph (C) by striking or at the end