During the renovation of Route 3719 (Hollóháza–Kéked–Pálháza), Colas Út carried out the following work processes:

On the 9,585-meter stretch between Pálháza and Hollóháza, after milling the road surface, a leveling and wearing course was laid. Removal of the deteriorated asphalt layer using a milling machine. This work prepares the surface for the correction of longitudinal and transverse irregularities, followed by the installation of the leveling course and then the new wearing course of uniform thickness. Construction of curbs and paved rumble strips on the road section affected by the works. During construction, three bridges spanning intermittent watercourses will be partially repaired.