project to widen and seal a section of road east of St George, at a cost of $4.5 million, was completed in August 2021. Replace steel culvert A project to replace a steel culvert just east of Surat, at a cost of $3.6 million, was completed in October 2021. Widen and replace culvert A project to widen and replace a culvert north of Roma, at a cost of $1.36 million, started in September 2021. Proposals The Queensland Inland Freight Route is a proposal to upgrade the existing highways from to Mungindi. This would involve significant upgrades to Carnarvon Highway between Rolleston and Mungindi. List of towns on the Carnarvon Highway Moree Ashley Garah Mungindi St George Surat Roma Injune Rolleston Major intersections See also Highways in Australia List of highways in Queensland List of highways in New South Wales Mungindi Bridge References Highways in Australia Highways in Queensland Highways in New South Wales Moree Plains Shire