As the Cunningham Highway descends through the Southern Downs region and west adjacent to the settlement of , it reaches a major junction with the New England Highway near Eastments Ridge approximately north of Warwick. The two highways run south to Warwick, sharing the National Route 15 shield and cross the Condamine River before the concurrency terminates and the New England Highway runs south, carrying the National Highway 15 shield; and the Cunningham heads west by south-west through , , before reaching its south-western terminus on the outskirts of Goondiwindi.