The Highways Department announced today (January 20) that the road surfacing works and road facilities of the about 9.4 km long viaducts, 1 km long Scenic Hill Tunnel, and 1.6 km long at-grade roads along the east coast of the airport were successfully completed. The remaining works in progress mainly include the final installation and testing of the Traffic Control and Surveillance System, as well as the final work of some ancillary facilities. Photo shows the Scenic Hill Tunnel of Hong Kong Link Road.