Construction will close portions of two downtown streets overnight this week.

Construction will close portions of two downtown streets overnight this week.

Ledford Construction continues work on storm drains between downtown Medford and Bear Creek.

Fourth Street between Jackson and Apple streets and Riverside Avenue between Fifth and Fourth streets will see lane closures nightly through Thursday. Work will close the lanes from 7 p.m. to 6 a.m.

City officials advise drivers to expect delays and seek alternate routes if possible.