| Province: | NB |
| Type: | NB |
| Route: | 310 |
| Maint: | New Brunswick Department of Transportation |
| Length Km: | 6.92 |
| Length Ref: | [1] |
| Length Round: | 1 |
| Direction A: | East |
| Direction B: | West |
| Cities: | Coteau Road |
| Terminus B: | near Grand Etang |
| Previous Type: | NB |
| Previous Route: | 305 |
| Next Type: | NB |
| Next Route: | 313 |
Route 310 is a 7km (04miles) east–west secondary highway in the northeast Canadian province of New Brunswick.
The route's eastern terminus is near the centre of Lameque Island. The route (named Rue des Cedres) travels east to the town of Coteau Road. From here, the highway takes a sharp turn north towards Grand Etang and it ends at Route 305