The tunnel is part of the Sarawak–Sabah Link Road (SSLR) Phase 2, a 335.54km road alignment connecting Sarawak and Sabah. As of June 11, Phase 2 has reached 11.39% physical progress, with full completion targeted for 2029.

Location: Bukit Pagon, Bakun Range (Lawas–Limbang border)
Details:

• 2.24km tunnel under Package 4 of SSLR Phase 2
• Cuts travel distance from 22.4km to 7km — saving over 15km
• 2% longitudinal gradient, 321m max overburden depth
• Emergency widening sections every 500m for safety
• Expected to significantly improve connectivity between Sarawak and Sabah

JKR Sarawak director Datu Dr Ir Cassidy Morris visited the tunnel site on June 11 to inspect progress.

Meanwhile, SSLR Phase 1 has reached 71.16% completion and is on track for March 16, 2027. It features the MyArch Bridge, a modern arch bridge design that will serve as a landmark along the route.

Phase 2 Package 3 (62.9km road built to JKR R3 standards) is also progressing at 16.25%, targeting completion by June 2029.

The proposed tunnel location at Bukit Pagon, Lawas

MyArch Bridge — a landmark design feature of SSLR Phase 1

Source: DayakDaily

What do you think of Sarawak's first tunnel?