Castlereagh Highway is a 790-kilometre (490 mi) state highway located in New South Wales and Queensland, Australia. From north to south the highway traverses...

Australia: Castlereagh, New South Wales, a suburb of Sydney Castlereagh River, two rivers Castlereagh Highway, a New South Wales state highway Castlereagh Street...

concurrency with Warrego Highway, and continues south to St George, where it meets the Moonie, Balonne, and Castlereagh Highways. It crosses the state border...

suburbs, and continues through Dunedoo – where it is concurrent with Castlereagh Highway for approximately 10 kilometres (6.2 mi) – then through Merriwa,...

of the highway is at the junction with Castlereagh Highway, 14 kilometres (8.7 mi) north of Walgett. At Moree it intersects the Newell Highway. At Inverell...

eastward back to Bells Line of Road. The highway continues generally west, intersecting with Castlereagh Highway west of Marrangaroo, and crosses Coxs River...

the southern border of Queensland, about 6 km (4 mi) east of the Castlereagh Highway. The Lightning Ridge area is a centre of the mining of black opal...

Dirranbandi had a population of 610 people. Dirranbandi is on the Castlereagh Highway and the Balonne River. It is notable for the population variations...

At the 2021 census, Mendooran had a population of 275 people. The Castlereagh Highway also runs through the town, changing its name to Bandulla Street...

Moree), Kamilaroi (at Narrabri), Oxley (east) (north of Coonabarabran), Castlereagh and Oxley (west) (at Gilgandra), Golden and Mitchell (at Dubbo), Mid-Western...