Liantang road tunnel

Design-build of two motorway tunnels, a ventilation structure and an administrative building

Underground Works

Hong-Kong, 2013-2019

General description

To connect the New Territories of the north-east of Hong Kong to the Liantang border crossing in mainland China, the public authorities decided to have a 5.4 kilometres dual two-lane road built, including two 4.8-kilometer tunnels. In order to deal with changing ground conditions along the route Bouygues Travaux Publics and Dragages Hong Kong combined their expertise using several excavation techniques. A first in the history of the group: the widening by excavator of a tunnel section previously bored by TBM. This increase in the diameter from 14 to 17 metres enhances visibility at the tunnel entrance and thus improves safety for future users.

Consortium

DRAGAGES HONG KONG / BOUYGUES TRAVAUX PUBLICS

Project owner

HONG KONG GOVERNMENT

Locations

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