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T316
Underground Infrastructure
Changi Airport
Twin bored tunnels from Changi Airport Terminal 5 to Changi Airport (CGA) Station Terminal 2
![Accreditations logo](https://static.wixstatic.com/media/40f67a_bf0721020f8f487097af105eb0c4af0f~mv2.png/v1/crop/x_0,y_0,w_2665,h_485/fill/w_346,h_61,al_c,q_95,enc_auto/accreditations%20logo.png)
![SAC logo](https://static.wixstatic.com/media/40f67a_28e622599ba74b119251eea4d7639852~mv2.png/v1/crop/x_4,y_0,w_296,h_201/fill/w_80,h_45,al_c,q_95,enc_auto/sac-logo-6C3EFE4D57-seeklogo_com%20(1).png)
![white.png](https://static.wixstatic.com/media/40f67a_f1bba50294a44583a4f3ad08f00b9d4c~mv2.png/v1/crop/x_0,y_0,w_472,h_40/fill/w_545,h_46,al_c,lg_1,q_95,enc_auto/white%20space.png)
Singapore LTA NSC N109A
North-South Corridor (Tunnel) between Sin Ming Avenue and Ang Mo Kio Avenue 3
800m long dual 3-lane road tunnel
Future Cross Island Line
Teck Ghee MRT station
N109A includes a construction of a road tunnel, an MRT station box and commuter facilities, including pedestrian overhead bridges, bus stops, sheltered walkways, and cycling paths. The contract value is S$615.90 million.
![North-South Corridor](https://static.wixstatic.com/media/40f67a_2fc4be7804de4825950171f924c9c23d~mv2.jpg/v1/fill/w_600,h_400,al_c,q_80,enc_auto/40f67a_2fc4be7804de4825950171f924c9c23d~mv2.jpg)
North-South Corridor
![North South Corridor](https://static.wixstatic.com/media/40f67a_b15595f8e00847a58018f42abbf25fa2~mv2.jpg/v1/fill/w_780,h_520,al_c,q_85,enc_auto/40f67a_b15595f8e00847a58018f42abbf25fa2~mv2.jpg)
North South Corridor
![N109A Site Overview](https://static.wixstatic.com/media/40f67a_462a262af91b4aad866e6fee8365b068~mv2.jpg/v1/fill/w_980,h_551,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/40f67a_462a262af91b4aad866e6fee8365b068~mv2.jpg)
N109A Site Overview
![North-South Corridor](https://static.wixstatic.com/media/40f67a_2fc4be7804de4825950171f924c9c23d~mv2.jpg/v1/fill/w_600,h_400,al_c,q_80,enc_auto/40f67a_2fc4be7804de4825950171f924c9c23d~mv2.jpg)
North-South Corridor
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