| Oakdale Merge | |
|---|---|
 | |
| Location | |
| Great River–Oakdale, New York | |
| Coordinates | 40°44′52″N 73°08′58″W / 40.74778°N 73.14944°W |
| Roads at junction | |
| Construction | |
| Type | At-grade |
| Constructed | 1953 |
| Reconstructed | 1989, 1999, 2020 |
| Maintained by | NYSDOT |
The Oakdale Merge is a convergence of Sunrise Highway (New York State Route 27, NY 27) and Montauk Highway (NY 27A and County Route 85, CR 85) between the hamlets of Great River and Oakdale, in Suffolk County, New York, in front of Connetquot River State Park.