Singapore Underground Road System
The Singapore Underground Road System, SURS (Chinese: -- ;Malay: Sistem Jalan Bawah Tanah Singapura) was a proposed road underground system in Singapore. The project comprised two 15 km-long, 2-4 lane concentric ring tunnels around the central business district, with 8 interchanges and 33 entrances and exits. The capital cost was estimated to be at $2.4 billion with a construction period of 15 years.
References
- ↑ "Singapore scraps underground road network plans". The Straits Times. Retrieved 29 August 2017.
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