The 2.69-km Nagdhunga-Sisne Khola Tunnel marks a new era for Nepal’s transport network, cutting through the hills to bypass a notorious highway stretch and offering a faster, safer route into Kathmandu. KATHMANDU – For years, the road into Nepal’s capital Kathmandu has tested the patience of drivers, with steep climbs, sharp bends and lines of waiting trucks. Now, the Himalayan nation is taking traffic underground. On Monday Nepal officially opened the Nagdhunga-Sisne Khola Tunnel, the country’s first modern road tunnel. The project aims to ease one of Kathmandu’s busiest bottlenecks and improve the movement of people and goods into