Construction of the Nagdhunga Tunnel started with on both ends of Dhading and Kathmandu.

The tunnel is 2.7 km long 12 meter wide 8 meter high. Japan’s Hajma Ando Corporation could not start construction because Nepal Army did not grant permission for import of explosives and came COVID_19 pandemy. Now back to business.

https://thehimalayantimes.com/nepal/much-awaited-nagdhunga-tunnel-construction-begins-amid-covid-19-crisis/