Road maintenance will require shoulder or median lane closures along some highways in Gwinnett County this week.

The Georgia Department of Transportation will perform vegetation maintenance along I-85, I-985 and Ga. 316. It also will sweep Ga. 124 and Ga. 141.

The work will be done from 7 a.m. to 5:30 p.m. daily through Friday, weather permitting. GDOT advises motorists to slow down in these and other work zones.