[1] The road passes through the towns of Quilpie, Windorah, Bedourie, Boulia, and Dajarra in its 1344 kilometer length, and most of it is sealed.
The project to rehabilitate and widen the road from Boulia to Dajarra was completed in mid 2019 at a total cost of $5 million.
[3] A project to widen the narrow seal on almost 3 kilometres (2 mi) of road immediately south of Boulia, at a cost of $2.145 million, was completed in June 2021.
[4] A project to reconstruct and widen 2 kilometres (1.2 mi) of road immediately north of Boulia, at a cost of $1.025 million, was completed in April 2021.
[5] A project to widen and seal two sections of road west of Charleville, at a cost of $6.65 million, was completed in March 2022.