The complete project involves the reconstruction of the bridge structure at the railway overpass of main road 3, as well as the design and construction of the adjacent interchange. We commenced our part of the works in the city of Hatvan in April 2014 on assignment by Közgép Zrt. and A-Híd Építő Zrt.

We were tasked with performing earthworks and building backfills for the structures constructed by our clients – including demolition of embankments at the existing overpass –, and with setting up the roundabout interchange of roads 3 and 21 with the related roads, bicycle paths and pedestrian walkways. The roundabout is located on top of a high embankment, allowing the bicycle path and walkway to be led through underneath. Furthermore, we are to reconstruct the southern part of the Kossuth Square by installing new curbs, traffic islands and preparing pavements from asphalt and paving blocks. During the works, Colas Út is in charge of building temporary detour roads in multiple phases.