id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id FRA-2019-0075-0001,FRA,FRA-2019-0075,Positive Train Control Systems,Proposed Rule,Notice of Proposed Rulemaking (NPRM),2020-12-18T05:00:00Z,2020,12,2020-12-18T05:00:00Z,2021-02-17T04:59:59Z,2024-11-12T23:26:59Z,2020-27097,1,0,09000064849a7571