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Transport route engineering

PORR is resurfacing the A44 motorway near Düsseldorf using the hot-on-hot method

Düsseldorf, / Transport route engineering

On the BAB 44 between the Lank-Latum and Düsseldorf-Messe junctions, PORR transport route engineering is working alongside Eurovia to resurface the carriageways, with each section being fully closed to traffic. As part of the Düsseldorf motorway ring road, this six-lane section is of paramount importance to the transport infrastructure of North Rhine-Westphalia’s capital. Accordingly, completion on schedule was the top priority.

A night-time motorway construction site featuring asphalt pavers, rollers and support vehicles laying a freshly asphalted carriageway under bright floodlights; several workers in high-visibility clothing are working along the carriageway; portable toilet cubicles can be seen on the right; in the background, steam and smoke rise from the hot asphalt.
© PORR
Due to the extremely tight timeframe of just six days per carriageway, work was carried out in multiple shifts.

The joint venture team had already resurfaced the carriageway heading towards Mönchengladbach in September 2025. Work on the opposite carriageway was postponed from autumn to spring 2026 due to weather conditions. For each construction phase, PORR’s scope of work comprises around 9,000 square metres of surface course in a conventional multi-layer structure, approximately 47,000 square metres using the hot-on-hot method as well as around 16,500 square metres of mastic asphalt for the carriageway surface of the airport bridge.

Inline-Pave technology enables short closure periods

To keep closure times as short as possible, the project team is relying on Inline-Pave technology. This involves the continuous laying of several layers of asphalt in a single operation. At night, two paving trains work together in sections approximately 950 metres long; during the day, work is carried out on the approach and exit ramps, as well as the rehabilitation of the 1.2-kilometre-long bridge.

Due to the extremely tight timeframe of just six days per carriageway, work was carried out in multiple shifts. This enabled all tasks, from milling and paving to jointing, road marking and final cleaning, to be completed on schedule.

Project Manager Marcel Hemker has many years’ experience in motorway surface rehabilitation: “In projects of this kind, perfect coordination of all trades is crucial. Material supply, removal of milled material and our four mixing plants must work together like clockwork. With around 72 articulated lorries per night shift, the highest precision and teamwork are required to master the tight six-day windows to the highest standard.”

If you have any questions, please contact:

Sarah Render

Unternehmenskommunikation / Deutschland
+49 89 71001-475
presse@porr.de