The project for intersection upgrades in Mount Isa urban area was completed in mid 2019 at a total cost of $8.3 million.

[7] Given the economic importance of transport on this route, a longstanding problem was the flooding of the Georgina River immediately west of Camooweal in Queensland.

To alleviate these problems, the Georgina River Bridge was officially opened on 20 December 2002 by Senator Ron Boswell and Steve Breadhauer, Minister for Transport in the Queensland Government.

It replaced the previous bridge which was approximately 50 metres (160 ft) south, and is both higher and longer so traffic on the highway can continue to cross during floods.

[3][8][9][10] Australian Roads portal Roswitha Soechtig: OVERLAND-BIKING AUSTRALIA auf roter Erde, 2021, ISBN 978–3–7534–1275–7, S. 251–256, German and English.