Suffolk CR 97, known as Nicolls Road, is a limited access facility between Montauk Highway and NY 347 with many interchanges. The modern road was constructed to connect two older roads, with many local streets turned into frontage roads.
| Mile | Northbound | Southbound | Notes |
|---|---|---|---|
| Suffolk County | |||
| Speed Limit 55 | |||
| 0.0 |  |
 BluePoint Patciogue Sayville Oakdale |
At-grade intersection |
| 0.5 | Purick Street | Pedestrian crossing | |
| 0.8 | Church Street | At-grade intersection | |
| 1.5 |  EastMontauk |
||
| 1.5 | West New York |
||
| 2.0 | Greenbelt Parkway Colin Drive |
At-grade intersection | |
| 2.8 |  Patchogue-Holbrook Road |
||
| 4.3 | Furrows Road | ||
| 4.5 | Union Avenue Long Island Avenue |
||
| 4.9 |  EastRiverhead |
||
| 4.9 | West New York |
||
| 5.9 |  EastPortion Road |
||
| 5.9 | West Portion Road |
Portion Road |
|
| 6.3 | Horseblock Place County Offices |
||
| 6.8 | Suffolk County Community College Ammerman Campus |
At-grade intersection | |
| 7.1 | South Coleman Road | At-grade intersection | |
| 7.9 |  Smithtown Riverhead |
||
| 9.1 | Dorn Place | At-grade intersection | |
| 9.5 | Hawkins Road | At-grade intersection | |
| 10.3 | Mark Tree Road | At-grade intersection | |
| 10.5 | Lily Drive | ||
| 10.9 | Pond Path | At-grade intersection | |
| 11.1 |  |
 |
At-grade intersection |
| Speed Limit 55 | |||
| Suffolk County | |||