| Road | Road Name | From | To | Miles | AADT |
|---|---|---|---|---|---|
| 5 | Seven Bridges Rd. | Route 133 | Yorktown Line | 0.34 | 3,169 |
| 21 | Seven Bridges Rd. | Route 120 | Route 133 | 1.52 | 3,521 |
| 79 | Washington Ave. | Mt. Pleasant/New Castle Ln | King Street | 0.83 | 3,304 |
| 154 | North State Rd. | Ossining Town Line | Route 100 | 0.30 | 5,326 |
| 1323 | Pines Bridge Road | Shingle House Rd. | Ossining Town Line | 2.67 | 1,734 |
County Roads in New Castle
In the last column of the table below, AADT represents Annual Average Daily Traffic between 1999-2002 on these county roads.