| Type: | rural road |
| Road Name: | Roper Highway |
| State: | nt |
| Length: | 206 |
| Direction A: | SW |
| Direction B: | NE |
| End A: | Stuart Highway, Mataranka |
| End B: | Ngukurr |
| Route: | B20 (Mataranka – Ngukurr) |
The Roper Highway is a road in the Northern Territory of Australia that begins from a point on the Stuart Highway 7 kilometres south of Mataranka, and runs east along the Roper River via Roper Bar to Ngukurr.[1] Its length is 206 kilometres. From Ngukurr the road continues for approximately 153 kilometres to Numbulwar on the Gulf of Carpentaria as the Numbulwar Road.[2] The section of the highway between Roper Bar and Ngukurr is also known as the Ngukurr Access.[3]