The Minnesota Department of Transportation is reminding motorists to be aware of road construction work as they travel this Labor Day weekend.

“This is our last big weekend of the summer,” Commissioner Charlie Zelle said in a news release. “Drive safely through work zones this weekend. Plan ahead, add extra time if needed. We want you to arrive safely and ready to enjoy this final bit of summer.”

Drivers in Southern Minnesota should be aware of the following roadwork sites:

• Highway 22 Mapleton to Mankato — detour;

• Interstate 35 bridge replacements south of Owatonna — single lane in each direction;

• Highway 42 between Plainview and Kellogg – bridge closure, detour;

• Highway 52 between Zumbrota and Rosemount — lane closures;

• Highway 15 in New Ulm — detour;

• Highway 99 Minnesota River bridge in St. Peter – detour.