地方自治法
Hokkaido became equal with other prefectures in 1947, when the revised Local Autonomy Law became effective. The Japanese central government established the as an agency of the Prime Minister's Office in 1949 to maintain its executive power in Hokkaido. The agency was absorbed by the Ministry of Land, Infrastructure and Transport in 2001. and the of the ministry still have a strong influence on public construction projects in Hokkaido.