The NJDOT inventory is from west to east, which is as good a way to describe it as any: the “west” end starts out heading southward, while it heads northward as it reaches its “east” end.
| Mile | Street Name | Feature (West to East) |
| 0.00 | CR 640 BEGINS, Wayne Twp | |
| 0.00 | French Hill Rd | Alps Rd, CR 670 |
| 0.64 | French Hill Rd | (Matthew Ave) [Parish Dr, CR 668] {signal} |
| 0.79 | French Hill Rd | (Valley Rd, CR 681 {signal} |
| 0.81 | French Hill Rd | Singac Brook {bridge} |
| 0.86 | Riverview Dr | (Totowa Rd, CR 644 |
| 1.02 | Riverview Dr | (Corporate Dr) [Edison Dr] {signal} |
| 1.17 | Riverview Dr | Naaktpunkt Brook {bridge} |
| 1.17 | Entering Totowa Boro | |
| 1.25 | Riverview Dr | (Commerce Way) {signal} |
| 1.51 | Riverview Dr | (Winfred Dr} {signal} |
| 1.79 | Riverview Dr | Lackawanna Railroad {overpass} |
| 1.87 | Riverview Dr | [West End Rd] {signal} |
| 1.92 | Riverview Dr | Bergen-Passaic Expwy, I-80 {underpass} |
| 2.06 | Riverview Dr | [Shopping center entrance] {signal} |
| 2.20 | Riverview Dr | (Minnisink Rd, CR 642) {signal} |
| 2.25 | Riverview Dr | Pellington Blvd, US 46 {overpass} |
| 2.97 | Riverview Dr | Union Blvd, CR 646 {signal} |
| 3.05 | Riverview Dr | Lackawanna Railroad spur {tracks removed} |
| 3.78 | Riverview Dr | US 46 {overpass} |
| 3.91 | Riverview Dr | Lackawanna Ave, CR 632 {flashing signal} |
| 4.20 | Riverview Dr | Unnamed stream {culvert} |
| 5.00 | Riverview Dr | Bergen-Passaic Expwy, I-80 {underpass} |
| 5.22 | Riverview Dr | Unnamed stream {culvert} |
| 5.61 | Riverview Dr | (Totowa Rd) [Hillery St], CR 644 {signal} |
| 5.61 | CR 640 continues straight onto Totowa Rd | |
| 5.96 | Totowa Rd | [Glover Ave] {signal} |
| 5.98 | Entering Paterson City | |
| 5.98 | Totowa Rd becomes River Terr | |
| 6.16 | CR 640 bears right onto Totowa Ave | |
| 6.56 | Totowa Ave | Oldham Brook {bridge} |
| 6.74 | Riverview Dr | Preakness Ave, CR 666 {signal} |
| 6.74 | CR 640 ENDS, Paterson City | |