
A28 motorway
A28 motorway
Key facts
Location
France, RouenDelivery
October 2005
Client
ALIS
Contractors
Bouygues Travaux Publics, Bouygues Bâtiment Grand Ouest
Architect
Charles LAVIGNE
Design, construction, and operation of the highway
125 kilometres of a 2x2 lane motorway, two major viaducts of 700 and 1,320 metres long, more than 100 bridges and crossings, five interchanges and two junctions with the A13 and A88 motorways... The Rouen-Alençon section of the A28 presented numerous challenges that Bouygues Travaux Publics managed to overcome in just 20 months for the earthworks.
A record speed for this type of construction work in France, the teams also had to cope with the vagaries of the weather, the presence of archaeological excavations and the implementation of an environmental plan.

Key figures
- 125
- km of highway
- 12 M
- m³ of excavated material
- 8 M
- m³ of backfill
- 500
- earthworks machines
A benchmark project
This project, carried out by an Economic Interest Group (Bouygues Travaux Publics, DTP Terrassement and Quille Construction), mobilised some 1,500 people at the peak of the construction, including 500 Bouygues Travaux Publics staff and almost 500 earthworks machines. It also marked the company’s entry into the motorway concession business in France.
Brought into service in October 2005, this section forms part of a major European motorway route.

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