 | This article needs additional citations for verification. (December 2020) |
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| Route information | |
| Length | 9.5 mi (15.3 km) |
| Major junctions | |
| North end | Hartlepool |
 A179 A689 A1185 A1046 A66 | |
| South end | Middlesbrough |
| Location | |
| Country | United Kingdom |
| Constituent country | England |
| Road network | |
The A178 is a road that runs from Hartlepool in County Durham to Middlesbrough in North Yorkshire, England.