Completion of the alteration of al. Wojska Polskiego in Częstochowa (DK-91) is one of the largest road investment projects in Częstochowa, thanks to which a new communication spine of the city was created.

It serves for communication with the northern junction of the A1 motorway and allows for collision-free north-south travel through almost the entire city.

The subject of the contract was the comprehensive implementation of construction and assembly works related to the alteration of the so-called „old 1” along with the accompanying infrastructure, among others. construction of two new two-level intersections, a new flyover in the Raków district and footbridges for pedestrian and bicycle traffic over the route.