ヒースロー空港第3滑走路増設を推進するための下院交通委員会の提言

Airports National Policy Statement, Third Report of Session 2017-19, House of Commons Transport Committee, HC 548, 163p, 23 Mar 2018 (英国下院の交通委員会報告書)
交通委員会の関連サイト: http://www.parliament.uk/business/committees/committees-a-z/commons-select/transport-committee/news-parliament-2017/airports-national-policy-statement-report-published-2017-19/
交通委員会による意見聴取と証言の取り調べ: https://www.parliament.uk/business/committees/committees-a-z/commons-select/transport-committee/inquiries/parliament-2017/airports-nps-17-19/
関連記事: http://www.bbc.com/news/business-43505016