The Highways Department today (July 26) signed a contract with Bouygues Travaux Publics for the central tunnel under the Central Kowloon Route (CKR) project. The forecast total of the costs is about $6.226 billion. Photo shows the Director of Highways, Mr Jimmy Chan (second right), and the Project Manager (Major Works) of the Highways Department, Mr Luk Wai-hung (first right), with representatives from Bouygues Travaux Publics at the contract signing ceremony.