TUNNLLING IN TAIWAN
 
 
 
 
Tunnels under planning for construction in the near future include MRT, highways and railways and water resources tunnels.
These are presented in the following table:
 
 
Major Tunnels under Planning in Taiwan
Project No. of Tunnels and Lengths
Railway Tunnels
High Speed Rail Project 30 tunnels, total length 41 km, maximum length 7.4 km
Mass Rapid Transit Systems
Kaohsiung Mass Rapid Transit System Total length 49 km

Taichung Mass Rapid Transit System Total length 45.47 km

Taoyuan Mass Rapid Transit System Cut & cover tunnel 18.85km, Shield tunnel 3.47km

Tainan Mass Rapid Transit System Total length 26.7 km

Highway Projects
Eastern Expressway Project 13 tunnels, total length 95.2 km, maximum length 9.9 km

Central Cross-Island Expressway Project 23 tunnels, total length 118.7 km, maximum length 15.1 km

Southern Cross-Island Expressway Project 6 tunnels, total length 74.2 km, maximum length 17.9 km

Fengyuan-Wufeng Section,Taichung Looped Expressway Project 11 tunnels, total length 22.6 km, maximum length 2.9 km

Water Resources Tunnels
Diversion Tunnel, Pihai Hydropower Project 1 tunnel, length 7.3 km

New Wuchieh Hydropower Project 4 tunnels, total length 16.0 km, maximum length 7.9 km

Diversion Tunnel, Paoshan Reservoir No. 2 Project 4 tunnels, total length 4.8 km, maximum length 1.9 km

Diversion Tunnel , Chienming Reservoir Project 1 tunnel, length 7.3 km

Trans Basin Diversion Tunnel for Tsengwen Reservoir 2 tunnels, total length 14.1km, maximum length 9.6 km

TotalĄG544.7km