Project

Construction of Overtaking Lanes on Princes Highway at Yambuk and Tyrendarra

Client

Department of Transport

Summary

The Princes Highway is the major arterial national highway subject to heavy truck and medium vehicle traffic, linking
Southwestern Victoria and South-eastern South Australia
Earthworks, drainage works, pavement construction (new & widening of existing), bituminous surfacing, traffic control, signage and line marking in 2 locations:

o Site 1 – Yambuk (Ch.309.540km – Ch.311.020.km)

o Site 2 – Tyrendarra (Ch.325.320km – Ch.327.428km)

Project encountered several undisclosed subterranean caverns, under existing road surfaces, with remedial works conducted under strict geotechnical requirements. Also latent subgrade conditions requiring extensive dig out treatments.