citywide
adj. B2 Upper Intermediate US //ˈsɪtiˌwaɪd// UK //sˈɪtɪwˌaɪd// city·wide
adj. happening or affecting the whole city. You use this to describe things like events, problems, or changes that cover every part of a large urban area.
adj. relating to or affecting the entire city. Typically used attributively to modify nouns like 'event', 'strike', or 'initiative'.
The citywide strike stopped all public transport.
The mayor announced a citywide cleanup initiative to improve the appearance of the downtown area.
The citywide power outage forced the emergency services to rely on backup generators while engineers worked through the night to restore the grid.