(KNZA)--Construction of new passing lanes has begun on U.S. 75 Highway in Jackson County, north of Holton.

According to the Kansas Department of Transportation, the project is eight miles north of the K-16/U.S. 75 intersection and extends north about  two miles.

KDOT says northbound and southbound passing lanes are being added.

One lane in each direction will remain open to traffic for the duration of the project.

Work will take place Monday through Friday during daytime hours and is expected to be completed by April 2022, weather permitting.

Hamm Inc. of Perry is the contractor on the $4 million project.