The viaduct of the Vau-Herve was built between 1902 and 1905 by Louis Auguste Harel of Noë for the Railroads of Coast-of-North. It is located on the commune of Langueux. It was used by the line Saint-Brieuc - Moncontour.

Principal characteristics:

• 7 arches of 7 m opening
• overall length: 58 m
• height: 10 m

The Association of the Railroads of Coast-of-North projects the creation of a tourist line which would borrow this viaduct.

Internal bonds

• List of bridges of Coast-in Armor
• Railroads of Coast-of-North

External bonds

• Association for the safeguard of works of art of Harel of Noë
• Association of the Railroads of Coast-of-North
• Viaduct of Vau Herve on the site of the Departmental records