Barrier Highway is a highway in South Australia and New South Wales, and is designated part of route A32. The name of the highway is derived from the Barrier Ranges, an area of moderately high ground in the far west of New South Wales, through which the highway traverses.

Broken Hill is a city in the far west region of outback New South Wales, Australia. An inland mining city, is near the border with South Australia on the crossing of the Barrier Highway (A32) and the Silver City Highway (B79), in the Barrier Range. It is 315 m (1,033 ft) above sea level, with a cold semi arid climate, and an average rainfall of 265 mm (10.4 in). The closest major city is Mildura, 300 km (190 mi) to the south and the nearest State Capital City is Adelaide, the capital of South Australia, which is more than 500 km (310 mi) to the southwest and linked via route A32.