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Central Kowloon Route

Project data

Location: Hong Kong, Hong Kong

The whole CKR project is the construction of a 4.7 km long dual three-lane dual carriageway linking the West Kowloon and East Kowloon which includes the construction of the dual three-lane central tunnel.

PERI has provided the technical formwork and falsework solutions and on-site support for the main structure throughout the project.


  • The project features constructions of various types of tunnels under a tight schedule
  • Numerous facilities are involved in the project, including: two interchanges, administration and ventilation buildings, a section of an underwater tunnel, and access roads


Gammon Construction Limited

Customer's benefit

  • TRIO granted the fast completion of the walls in less than 120 days

PERI solution

  • The use of DUO in this project has allowed the contractor to complete the permanent structures' base slabs
  • PS100 was used to construct the roof slabs of the underwater tunnel