The small strip of Crescent Avenue that connects Lake Street in Ramsey with Lake Street in Upper Saddle River (and crosses NJ 17) is signed as part of primary route 2.
| Mile | Street Name | Feature (South to North) |
| 0.00 | CR 81 BEGINS, Midland Park Boro | |
| 0.00 | Prospect St | Godwin Ave, CR 84 |
 Northbound on Crescent Avenue just north of Godwin Avenue. | ||
| 0.33 | Prospect St | [Glen Ave, CR 82] |
| 1.12 | Entering (Wyckoff Twp) [Midland Park Boro] | |
| 1.13 | Entering Waldwick Boro | |
| 1.29 | Crescent Ave | Unnamed stream {pipe} |
| 1.48 | Crescent Ave | Wyckoff Ave, CR 502 {signal} |
| 1.99 | Entering Allendale Boro | |
| 2.14 | Crescent Ave | Unnamed stream {pipe} |
 Crescent Avenue northbound just below the Allendale Brook. | ||
| 2.47 | Crescent Ave | Allendale Brook {bridge} |
| 2.64 | Crescent Ave | Brookside Ave, CR 101 {signal} |
| 2.79 | Crescent Ave | (Hillside Ave, CR 85) {signal} |
| 2.90 | Crescent Ave | Unnamed stream {bridge} |
 The Erie Railroad bridge over Crescent Avenue. | ||
| 3.10 | Crescent Ave | Erie Railroad {underpass} |
 Due to the acute angle at which these roads meet, the sharp turns between Crescent Avenue and Franklin Turnpike are not permitted. | ||
| 3.66 | Crescent Ave | Franklin Tpk, CR 507 {signal} |
| 4.15 | Entering Ramsey Boro | |
| 4.37 | Entering (Ramsey Boro) [Upper Saddle River Boro] | |
| 4.61 | Entering Ramsey Boro | |
| 5.01 | Crescent Ave | (Lake St, CR S-81) {signal} |
| 5.01 | Entering (Ramsey Boro) [Upper Saddle River Boro] | |
| 5.10 | Crescent Ave | NJ 17 {overpass} |
 Coming up to the light at Upper Saddle River’s Lake Street, northbound. | ||
| 5.34 | Crescent Ave | Lake St, (to NJ 17) [CR 96] {signal} |
| 5.59 | Entering Ramsey Boro | |
| 6.01 | Entering Mahwah Twp | |
| 6.60 | Crescent Ave | (Masonicus Rd, CR S-83?) |
| 7.61 | CR 81 ENDS, Mahwah Twp | |
The entire length is signed as part of primary route 2.
| Mile | Street Name | Feature (West to East) |
| 0.00 | CR S-81 BEGINS, Ramsey Boro | |
| 0.00 | Lake St | Franklin Tpk, CR 507 |
| 0.24 | Lake St | Unnamed stream {bridge} |
 Westbound on Lake Street just west of Crescent Avenue and NJ 17. | ||
| 0.42 | Lake St | Crescent Ave, CR 81 |
| 0.42 | CR S-81 ENDS, Ramsey Boro | |