Siddhababa Tunnel () is a highway tunnel, currently under-construction, along the Butwal-Palpa section of the Siddhartha Highway in Nepal. The total length of the tunnel is . The tunnel features double lanes, an width, and sidewalks to facilitate pedestrian safety.
Construction project The project is being completed by China State Construction Engineering Corporation for around NPR 7.34 billion. The project is scheduled to be finished by March 2027. Construction was delayed after the 2026 Nepal–Tibet floods swept away electromechanical equipment in transport to the construction site. As of September 2026, construction is 69.57% complete.
The initial cost estimate of the project is about NPR 10 billion.
See also
List of tunnels in Nepal
References