; (2) investigate the causes of the blocked crossing incidents; and (3) investigate possible measures to reduce the frequency and duration of blocked crossing incidents at such grade crossing. (c) Recordkeeping (1) In general A railroad carrier shall, upon receiving a notice under subsection (b), maintain train location data records for the public highway-rail grade crossing that was the subject of the notice. (2) Contents of records The train location data records required under paragraph (1) shall include— (A) a list of all blocked crossing incidents at the public highway-rail grade crossing that is the subject of the report exceeding 10 minutes; (B) the cause of the blocked crossing incident (to the extent available); (C) train length