| Country: | GBR |
| Type: | A |
| Route: | 357 |
| Direction A: | South |
| Direction B: | North |
| Terminus A: | Blandford (50.877°N -2.195°W) |
| Destinations: | Blandford Sturminster Newton Stalbridge Henstridge Templecombe Wincanton |
| Terminus B: | Wincanton (51.047°N -2.434°W) |
| Junction: |
The A357 is a road that leads from Blandford to Wincanton.[1] In combination with the A350 and A371, it forms the main route between Blandford and Poole and Weston-super-Mare, of which it is the intermediate segment.
There have been calls for traffic calming measures at Sturminster Newton, regarding a perception of many vehicles exceeding the speed limit. Between August 2011 and August 2016, there were 2 slight injuries due to road traffic accidents on the stretch.[2] There have been fatal accidents on the stretch of road near Blandford.[3]