1. 1) 国土交通省：社会資本整備審議会・交通政策審議会交通体系分科会計画部会専門小委員会「ストック効果の最大化に向けて～その具体的戦略の提言～」，http://www.mlit.go.jp/policy/shingikai/sogo08_sg_000220.html，2016. [Ministry of Land, Infrastructure, Transport and Tourism, Council for Infrastructure and Council for Transport Policy, Expert Subcommittee of Planning Section : Aiming at Maximizing the Stock Effect - Strategic Proposal -，http://www.mlit.go.jp/policy/shingikai/sogo08_sg_000220.html，2016.]
2. 2) 国土交通省：社会資本整備審議会道路分科会基本政策部会提言｢2040年，道路の景色が変わる｣(道路政策ビジョン)，https://www.mlit.go.jp/road/vision/01.html，2020. [Ministry of Land, Infrastructure, Transport and Tourism, Council for Infrastructure, Fundamental Policy, Subcommittee of Road Section : 2040 Vision for Roads in Japan - To Shape a Better Future for People -，https://www.mlit.go.jp/road/vision/01.html，2020.]
3. 3) 中日本高速道路株式会社｢東名開通50周年整備効果｣, 2019. [Central Nippon Expressway Company Limited : Stock Effects of Tomei Expressway on 50th Anniversary，2019.]
4. 5) 国土交通省：全国幹線旅客純流動調査，https://www.mlit.go.jp/sogoseisaku/soukou/sogoseisaku_soukou_fr_000016.html [Ministry of Land, Infrastructure, Transport and Tourism: Inter-regional Travel Survey in Japan，https://www.mlit.go.jp/sogoseisaku/soukou/sogoseisaku_soukou_fr_000016.html]
5. 6) 一般財団法人自動車検査登録情報協会：自動車保有台数，https://www.airia.or.jp/publish/statistics/number.html [Automobile Inspection & Registration Information Association，Number of Vehicle Ownership，https://www.airia.or.jp/publish/statistics/number.html]