Sabah State Route SA2

State Route SA2 is a 55.2 kilometres (34.3 mi) state highway in Sabah, Malaysia that connects the area of Tambunan alongside the Interior Division village to Ranau. It was start at the famous ginger roundabout then ends at a junction intersect with the Federal Route 22 near the town of Ranau. This state highway is recognized as the northern route continued after Federal Route 500.

The highway also serves as an alternative to the Federal Route 22 from Kota Kinabalu to Ranau. Despite being a longer route, it is less congested compared to both the Federal Route 1 into Tamparuli–Ranau Highway, which both routes are part of Pan Borneo Highway.

Junction list

Legend:

I/C - Interchange, I/S - Intersection, RSA - Rest and service area, OBR - Overhead bridge restaurant, R/R - Restaurant and rest plaza, L/B - Layby, V/P - Vista point, TN - tunnel, T/P - Toll plaza, BR - Bridge

C - Cloverleaf, S - Stack, T-A - Trumpet-A, T-B - Trumpet-B, DT - Directional-T/Y, SDT - Semi-Directional-T/Y, P-Y - Partial-Y, D - Diamond, P-C - Partial cloverleaf, D-D - Diverging diamond, D-R - Direct ramp

Route background

Tambunan–Ranau Highway is a rugged and mountainous two-lane roads in Sabah, Malaysia. It traverses across valley, between Crocker Range and Trusmadi Range. According to the Malaysian Public Works Department, most steep road gradient reached up to 10% as a moderately steep highways, and like other steep or hilly highways, a traditional climbing lane was provided. It was summit at 998 m (3,274 ft), reaching nearly 1,000 m (3,300 ft) above sea level which makes it one of the highest roads in the Malaysian state of Sabah.

Junctions

Along the highway, it has multiple junction, including alternative roads which leads to a villages, and both Kiulu and Tamparuli to the north, which are part of Tuaran District.