BEGINS, Demarest Boro
Anderson Avenue in Demarest.
)
Approaching (Old) Closter Dock Road in Closter and Alpine.
{signal} ENDS, (Closter Boro) [Alpine Boro]The entire length was designated as part of primary route 21, and the county has adopted this number as official. The idea was once to extend the road farther north through Alpine, but that never happened, mainly because Alpine.
| Mile | Street Name | Feature (South to North) |
| 0.00 | BEGINS, Demarest Boro |
|
| 0.00 | Anderson Ave | County Rd |
|
Anderson Avenue in Demarest. | ||
| 0.31 | Anderson Ave | Unnamed stream {pipe} |
| 0.50 | Anderson Ave | Hardenburgh Ave () |
| 0.52 | Anderson Ave | Unnamed stream {pipe} |
| 0.70 | Anderson Ave | Unnamed stream {pipe} |
| 0.70 | Entering (Closter Boro) [Alpine Boro] | |
|
Approaching (Old) Closter Dock Road in Closter and Alpine. | ||
| 0.83 | Anderson Ave | (Old Closter Dock Rd) [Closter Dock Rd] {signal} |
| 0.83 | ENDS, (Closter Boro) [Alpine Boro] |
|