Nagdhunga tunnel
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Nagdhunga tunnel (Nepali: नागढुंगा सुरुङ्ग) is an under-construction highway tunnel connecting Sisnekhola of Dhading district and Nagdhunga in Kathmandu. [1] The tunnel will be a part of Tribhuvan Highway. The tunnel has a height of 8.3m and has a lane of 9.5m wide. The length of the tunnel is 2680 m.
The tunnel passes through bedrocks of Sopyang formation. There are six shear zones in the alignment. [2]
