Motorway A4 Haudiomont/F

Efficient Renovations of Motorway Culverts using Special Formwork

The French motorway A4 connects the capital Paris with the economic region around Strasbourg, which is one of the most productive in the country. That makes this motorway one of the most important and frequently travelled roads in France.

Basic Conditions

In the forests of Haudiomont Département Meuse, Lorraine), not far from Verdun, for many kilometres the A4 runs along the top of an embankment. Along the way many tube shaped openings for wild animals and pedestrians go through it on the ground level. Here the ground is horizontal. The concrete shell in three of these culverts had begun to...

Related articles:

Issue 2015-06 Austria/Slovenia

Karawanken Tunnel Redevelopment

Based on the state treaty between Austria and former Yugoslavia dating from 1977, the Austrian and Slovenian motorway operators, ASFINAG and DARS agreed in mid-April 2015 to jointly finance and...

Issue 2020-03 Switzerland | Schweiz

Gotthard Road Tunnel 2nd Bore: Start of Preparatory Work in Summer 2020

In December 2019, the Swiss Federal Department of the Environment, Transport, Energy and Communications (DETEC) examined the implementation project for the construction of the second Gotthard tube and...

Issue 2018-05 Austria/Slovenia

Karawanken Tunnel: ASFINAG starts Construction of the second Tube

On September 18, 2018, ASFINAG (Austrian Motorway Authority) heralded in the complete further development of the Karawanken Tunnel with the ground-breaking ceremony on the A 11 Karawanken motorway....

Issue 2011-04 Austria

Roppen Tunnel fully commissioned

A second tube was produced largely by mining means together with cross-passages to the existing bore for the more than 5 km long, single-tube Roppen Tunnel near Imst for the Inntal motorway (A12)....

Issue 2016-05 Austria

Traffic Concept for Renewing the Plabutsch Tunnel

From spring 2017 the Plabutsch Tunnel near Graz is to be renovated with work concentrating on updating the safety technical facilities. The Plabutsch Tunnel is an approx. 10 km long, two-tube road...