Maintenance of asphalt and signals on state highways in Pasco and Richland are expected to cause some traffic delays Monday and Tuesday.

State Department of Transportation maintenance crews will repair asphalt on Interstate 182 eastbound near 20th Street in Pasco, between 9 a.m. and 3 p.m. Monday. Electricians will replace traffic signal lamps and lenses and repairing signal heads on Highway 240 at the intersections of Aaron Drive, Duportail, Swift, Van Giesen, Airport Road and Coast Street, on Monday and Tuesday between 8:30 a.m. and 3:30 p.m. There will be multiple lane closures at each intersection.