A14 motorway - Chambourcy interchange

Half hour off trip from Poissy to Saint-Germain-en-Laye.

Bridges

France, 2007-2010

General description

As part of a global programme for upgrading the RN13 highway between Orgeval and Saint Germain en Laye, construction of the Chambourcy interchange on the A14 motorway. This interchange saves 30 minutes on the trip between Poissy and Saint Germain en Laye.

MAIN CHARACTERISTICS

Works performed:

- grade-separated interchange on A14 motorway, and its slip roads,

- underpass and approach dives to connect the A14 to the RN13 national highway,

- a toll plaza.

Consortium

BOUYGUES TRAVAUX PUBLICS (33%); DTP TERRASSEMENT (33%); GTM CONSTRUCTION (17%); CHANTIERS MODERNES (17%)

Project owner

SAPN

Key figures

½ hour

saving for drivers

24 month

construction time (with running traffic)

42 m

diameter roundabout

Locations

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