noun
public-works spending; public works expenditure
Refers to government budget allocated for public infrastructure projects such as roads, bridges, and facilities.
今年度の公共事業費は前年より増加した。
This fiscal year's public-works spending increased compared to the previous year.
公共事業費の削減が議論されている。
Cuts to public-works spending are being discussed.
公共事業 refers to public works projects themselves, while 公共事業費 is the expenditure or budget for such projects.
Compound of 公共 (public) + 事業 (enterprise, project) + 費 (expense, cost).