Tseung Kwan O - 及 Lam Tin Tunnel Cross Bay Link
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Tseung Kwan O - 及 Lam Tin Tunnel Cross Bay Link Proposed Scheme – Consultation Digest Kwun Tong Tseung Kwan O Lam Tin Tiu Keng Leng TKO Town Centre South Yau Tong Junk Bay Lam Tin Interchange TKO Area 86 January 2012 Project Information Legends: Benefits Proposed Interchange • Upon completion of Route 6, the new road • The existing Tseung Kwan O Tunnel is operating Kai Tak Tseung Kwan O - Lam Tin Tunnel network will relieve the existing heavily near its maximum capacity at peak hours. The trafficked road network in the central and TKO-LT Tunnel and CBL will relieve the existing Kowloon Bay Cross Bay Link eastern Kowloon areas, and hence reduce travel traffic congestion and cater for the anticipated Kwun Tong Trunk Road T2 time for vehicles across these areas and related traffic generated from the planned development Yau Ma Tei Central Kowloon Route environmental impacts. of Tseung Kwan O. To Kwa Wan Lam Tin Tseung Kwan O Table 1: Traffic Improvement - Kwun Tong District Yau Tong From Yau Tong to Journey Time West Kowloon Area (Peak Hour) Current (2012) 22 min. Schematic Alignment of Route 6 and Cross Bay Link Via Route 6 8 min. Traffic Congestion at TKO Tunnel The Tseung Kwan O - Lam Tin Tunnel (TKO-LT Tunnel) At present, the existing Tseung Kwan O Tunnel is towards Kowloon in the morning is a dual-two lane highway of approximately 4.2km the main connection between Tseung Kwan O and Table 2: Traffic Improvement - Tseung Kwan O long, connecting Tseung Kwan O (TKO) and East urban areas of Kowloon. TKO-LT Tunnel together District Kowloon. The TKO–LT Tunnel, together with the with CBL will form a new external road network for Trunk Road T2 in Kai Tak Development and Central the TKO New Town. From Tseung Kwan O Journey Time Kowloon Route, will form Route 6 in the strategic Town Centre to East- In addition, the two interchanges at Lam Tin and (Peak Hour) road network providing an East-West Express Link Tseung Kwan O will connect Route 6 to the existing ern Harbour Crossing between Kowloon and Tseung Kwan O areas. road network at Kwun Tong and Tseung Kwan O, The Cross Bay Link (CBL) is a dual two-lane providing convenient connections for traffic to Current (2012) 15 min. carriageway of approximately 1.8km long with a different destinations. cycle track and a footpath stretching across Junk Upon Completion of 5 min. Traffic Congestion at TKO Tunnel Bay, connecting the TKO-LT Tunnel at the west and TKO-LT Tunnel towards TKO in the evening Wan Po Road near Area 86 of TKO at the east. Traffic Congestion at TKO Tunnel towards Kowloon in the morning Traffic Congestion at Kwun Tong Bypass 2 3 Proposed Scheme of TKO-LT Tunnel and CBL The proposed TKO-LT Tunnel runs beneath the Chiu Keng Wan Shan At Tseung Kwan O, the TKO-LT Tunnel in a straight alignment with a branch tunnel for direct connection to 6 7 links to the CBL and Po Yap Road via the the Eastern Harbour Crossing. Tseung Kwan O Interchange. At Kwun Tong side, the tunnel connects to the Lam Tin Interchange The proposed CBL stretches across (next to the toll plaza of the Eastern Harbour Crossing), which links Junk Bay from the TKO-LT Tunnel to Wan the TKO-LT Tunnel to the Trunk Road T2, Eastern Harbour Crossing Po Road near Area 86 of Tseung Kwan and local road network of Kwun Tong. The main carriageway of the O at the east bank. The feature bridge Interchange is around 20m below the existing ground level. of the CBL adopts the “Eternity Arch” configuration with a main span of 200m. To the west of the Lam Tin Interchange, the tunnel is embedded in Shun Road Po bedrock running beneath the Cha Kwo Ling Village. This section of Junction of Road P2/ tunnel connects to the proposed Trunk Road T2 at the waterfront Po Yap Road while maintaining a distance from the Road P2 at TKO Cha Kwo Ling Tin Hau Temple. 3 Lam Tin Hill Section Po Yap Road 4 Tseung Kwan O Section Tiu Keng Leng 1 Cha Kwo Ling Section Lam Tin Tseung Kwan O Town Centre South Tseung Kwan O - Lam Tin Tunnel 5 Yau Lai Ocean Estate Shores Cha Kwo Ling Village Yau Tong Chiu Keng Wan Shan Junk Bay Cross Bay Link 2 EasternCrossing Harbour Cemetery Tunnel Portal Legends: (Tseung Kwan O) Tseung Kwan O Tunnel Area 86 TKO Interchange (LOHAS Park) Bridge Cross Bay Link At-grade Road Wan Po Road Po Wan Reclamation Lam Tin Interchange Longitudinal Profile Chiu Keng Wan Pik Wan Road Junk Bay Shan Elevation Tseung Kwan O Elevation 2 Lam Tin Interchange Area 86 (mPD) Cha Kwo Ling (mPD) Village Lei Yue Mun Road Wan Po Road Feature Bridge CBL (m) 1 Cha Kwo Ling Section 3 Lam Tin Hill Section 4 Tseung Kwan O Section 5 Cross Bay Link 4 5 Cha Kwo Ling Section Lam Tin Interchange Layout Plan of Cha Kwo Ling Section Physical Model of Lam Tin Interchange To Kai Tak To Lam Tin Interchange Cha Kwo Ling Road Cha Kwo Ling Village Former Four Hills Public School Legends: Tin Hau Temple Tunnel At-grade Road The Lam Tin Interchange is a major connection light nuisance. In addition, shrubs and trees will Cha Kwo Ling (CKL) Section of the TKO-LT Tunnel preserved and only the underground strata of few of TKO-LT Tunnel and other adjoining roads be planted at the landscape deck and adjacent is located near the toll plaza of Eastern Harbour private land lots will be affected. No clearance of (including the proposed Trunk Road T2, Eastern areas. Crossing connecting the Trunk Road T2 at west building structure is required. Harbour Crossing and road network in Kwun To further alleviate visual and noise impacts, Tong). Comprehensive assessments have been and the Lam Tin Interchange at east. This section In view of the geological conditions and the site some parts of the slip roads are in form of tunnel of road runs in tunnels embedded in bedrock at undertaken for identifying the best location for or located between cut-slopes. The slopes at constraints, the CKL Section will be constructed the Lam Tin Interchange. The site adjacent to the about 25m below the ground level of the Cha Kwo by mechanical breaking rather than conventional the interchange are carefully designed with Ling Village. toll plaza of Eastern Harbour Crossing is found to streamlined profile with planting at intermediate blasting method. Therefore, the potential impacts be the most suitable location of the interchange The proposed alignment is an optimum design on the residents and the building structures in the platforms in harmony with the surrounding for providing the best road connections landscape. Besides, the tunnel facilities with striking a balance among the site constraints, construction phase (such as vibration, noise and arrangement. public views and various engineering factors. In settlement) will be minimized. In addition, we will green terrace roof and planting seamlessly particular, it avoids local landmarks including the closely monitor the contractor’s works and the The interchange not only provides a convenient integrate with the topology of the area to enhance Cha Kwo Ling Tin Hau Temple and the former Four ground conditions to ensure that the daily life of connection for traffic to different destinations, the green environment of the interchange. Hills Public School. residents will not be affected. but also helps diverting the traffic from the Layout Plan of Lam Tin Interchange existing road network of Kwun Tong and thereby In addition, as the tunnel is built below ground, Former Four Hills alleviates the heavy traffic load in the area. the integrity of the Cha Kwo Ling Village could be Public School The Lam Tin Interchange has adopted an Cha Kwo Ling Village Tin Hau Temple integrated design to address the environmental concerns (including noise, air quality, visual Yau Lai impacts and light nuisances) as well as potential Estate flooding risk. Soil CKL EHC Legends: The main carriageways are located at around Village Toll Plaza 20m below ground covered by a landscape Tunnel Bedrock deck and light green-colored noise enclosures Bridge to minimize the environmental concerns of the At-grade TKO-LT Tunnel Cross Section of Cha Kwo Ling Section public including noise, air quality, visual and Road 6 7 Lam Tin Hill Section Tseung Kwan O (TKO) Section From traffic design point of Layout Plan of Lam Tim Hill Section Layout Plan of TKO Section and TKO Interchange view (e.g. optimum tunnel curvature), the proposed tunnel Po Yap Road alignment is an optimum Kwong Ching House scheme, which complies with Hong Nga the current desirable road Court design standards. Owing to the Main Tunnels geographical constraints, road Chui Ling Road design standards and various Kwong Tin TKO Town Centre factors, two main tunnels run Estate South in the bedrock beneath Kwong Ocean Ching House and only parts of Shores the underground strata of Hong Pik Wan Road Branch Tunnel Nga Court and Hong Pak Court Hong Pak at considerable depth within Court the amenity areas of these Tunnel Portal Junk Bay Chiu Keng Wan (Tseung Kwan O) two Home Ownership Scheme Legends: Legends: Estates will be affected. Shan Tunnel Tunnel Bridge The tunnel is embedded in At-grade Road Cross Section of TKO-LT Tunnel under Cemetery the bedrock of at least 67m Reclamation Kwong Ching House beneath the foundation of Kwong Ching House. Hence, Kwong Ching TKO Interchange the tunnel construction and House operation will have no impact on the existing building The “straight tunnel alignment without toll plaza The tunnel portal is located next to the Junk Bay structure of Kwong Ching option” is adopted for the TKO Section of the TKO- Chinese Permanent Cemetery.