He also implemented public work projects, for example, he had roads constructed and trees planted in each 3.927 km (Ichirizuka - a milestone between "Ri"s, about 3.927 km) as a guide board.
公共事業にも手を伸ばしており、道を整備し道標代わりに一里毎に木を植える（一里塚）などといった街道整備を手がけている。