This project comprises mainly the upgrading of the existing at-grade interchange at Roads T1/P1/P2 junction to grade separated interchange and the widening of the section of Road P2 between Roads D1 and D2 to cope with the increasing traffic demand as the southern portion of the new town is developed and populated.
The main construction activities are as following:

• Construction of widened Road P2 between Road D1 and D2, modified Tseung Kwan O Tunnel Road and Road P1 near Road P2 and Slip Road A to G, together with all associated footpaths, cycle tracks or amenity strips and retaining walls.
• Construction of three vehicular bridges and extension of existing underpass to carry Tseung Kwan O Tunnel Road above Road P2 (Bridge B); Slip Road C from Tseung Kwan O Tunnel Road to Road P2 (Bridge C); Slip Road A from Road P2 to Tseung Kwan O Tunnel Road (Bridge A).
• Construction of a pedestrian subway under Slip Road B and extension of two existing pedestrian/cyclist subways under Road P2.
• Erection of noise barriers and enclosure along Slip Road A, Slip Road C and Road P2.
• Provision of necessary surface drainage systems to collect road runoff.
• Provision of all necessary services including Cable TV, water, electricity, gas and telephone, etc.

The Environmental Monitoring and Audit programme (in accordance with the EM&A Manual) for this project is performed by CINOTECH Consultants Limited. In accordance to Condition 4.2 of the EP, this webpage provides all the environmental monitoring data collected since the commencement of works and other relevant environmental links of the project.