Land Transport Authority planned to develop Singapore Jurong Region Line J102 Section Project, in Central Singapore, Singapore. Shanghai Tunnel Engineering Co (Singapore) Pte Ltd (STECS) was the main contractor of design and construction for J102. The project covered the construction of 3 Stations. The contract comprised works to design and construct Choa Chu Kang, Choa Chu Kang West and Tengah stations with a 4.3-km viaduct between Choa Chu Kang and Tengah along Choa Chu Kang Ave 3. This included addition and alteration works to the existing Choa Chu Kang station on the North-South Line, to integrate it with the new JRL station. The JRL was an elevated Mass Rapid Transit (MRT) line which would have 24 kilometers of tracks to serve the western part of Singapore. It reaches north to Choa Chu Kang, south to Jurong Pier, west to Peng Kang Hill and east to Pandan Reservoir and would be the seventh MRT line. The completion of this project will face many challenges including but not limited to the close-to-residential zone location, dense pipe network under the road and heavy traffic on the project site.