The Nagdhunga–Naubise Tunnel project is being prepared for operation starting from August, marking a major milestone in Nepal’s transport infrastructure development. Once operational, the tunnel is expected to significantly ease traffic flow along the Kathmandu–Naubise highway section.

According to Project Director Saujanya Nepal, most internal construction and testing works inside the tunnel have already been completed. Final-stage preparations, including emergency response drills, safety testing, and traffic management systems, are currently underway.

Only slope stabilization work outside the tunnel remains, while preparations for toll collection systems and related banking arrangements are also in progress.

The tunnel will support three toll collection methods: manual cash payment, QR code scanning, and automatic sticker-based vehicle recognition using high-capacity cameras.

The Nagdhunga–Naubise Tunnel has a total length of 2,688 meters. Although it was initially scheduled for completion by April 2023, delays due to contractor issues and local obstructions pushed back the timeline.

The tunnel will be operated and managed by Yusin ART Company for five years, employing around 150 personnel and operating 24/7.

Authorities estimate that around 60% of more than 8,000 daily vehicles passing through the Kathmandu–Naubise corridor (excluding two-wheelers) will use the tunnel once it becomes operational. Two-wheelers will not be allowed inside the tunnel.

The government has also finalized toll rates based on vehicle categories. Light vehicles such as cars, vans, and pickups will be charged NPR 65 for entry and NPR 60 for exit, while heavy vehicles may be charged up to NPR 600 depending on category.