| Route | Name | Southern/Western Terminus
 | Northern/Eastern Terminus
 | Length | Notes | 
|  | Coleman Rd. |  | Johnson Creek Rd. | 1.46 miles (2.35 km)
 | . | 
|  | W. Somerset Rd. | Niagara CR 24 |  | 4.79 miles (7.71 km)
 | . | 
|  | Upper Mountain Rd. | Tuscarora Indian Reservation Line |    | 10.12 miles (16.29 km)
 | Discontinuous 0.08 miles at NY 425
 | 
|  | Lockport Rd. | Niagara Falls City Line (Lockport Rd.)
 | Niagara CR 96 | 14.17 miles (22.81 km)
 | . | 
|  | Slayton Settlement Rd. |  | Telegraph Rd. | 6.60 miles (10.63 km)
 | . | 
|  | Gasport Rd. Main St.
 | Niagara CR 136 | Niagara CR 108 (Erie Canal Bridge)
 | 4.54 miles (7.31 km)
 | NY 31 to Erie Canal previously NY 359 (1930s) | 
|  | Upper Mountain Rd. |  | Tuscarora Indian Reservation Line | 1.97 miles (3.17 km)
 | . | 
|  | Rapids Rd. | Niagara CR 85 | Niagara CR 58 | 2.33 miles (3.75 km)
 | . | 
|  | Loveland Rd. |  | Niagara CR 20 | 0.64 miles (1.03 km)
 | . | 
|  | Beattie Ave. |  | Niagara CR 92 | 1.53 miles (2.46 km)
 | . | 
|  | Quaker Rd. |  | Lower Lake Rd. | 8.62 miles (13.88 km)
 | Overlaps length of  | 
|  | Ransomville Rd. |  |  | 6.96 miles (11.21 km)
 | . | 
|  | Chestnut Rd. |  | Niagara CR 111 | 3.34 miles (5.38 km)
 | . | 
|  | Stone Rd. |  | Niagara CR 31 | 2.97 miles (4.78 km)
 | . | 
|  | Town Line Rd. | Niagara CR 60/67 | Niagara CR 13 | 2.24 miles (3.60 km)
 | . | 
|  | Plank Rd. | Niagara CR 31 | Lockport City Line (Plank Rd.)
 | 0.41 miles (0.66 km)
 | . | 
|  | Hess Rd. |  |  | 6.67 miles (10.74 km)
 | . | 
|  | Niagara Rd. |  |  | 1.95 miles (3.14 km)
 | . | 
|  | Stone Rd. | Middleport Village Line (N. Main St.)
 |  | 2.07 miles (2.07 km)
 | Concurrent with  | 
|  | Old Niagara Rd. | Niagara CR 19/23 | Niagara CR 77 | 2.10 miles (3.38 km)
 | . | 
|  | Mapleton Rd. | Niagara CR 6 |  | 4.42 miles (7.12 km)
 | . | 
|  | Riddle Rd. | Niagara CR 112 |  | 3.57 miles (5.75 km)
 | . | 
|  | Youngstown-Wilson Rd. |  | Niagara CR 126 (Wilson Village Line)
 | 9.66 miles (15.55 km)
 | . | 
|  | Beach Ridge Rd. | Niagara CR 20 |  | 3.34 miles (5.38 km)
 | . | 
|  | Comstock Rd. | Niagara CR 6 |  | 0.78 miles (1.26 km)
 | . | 
|  | N. Main St. | Mill St. | Niagara CR 26 (Middleport Village Line)
 | 0.22 miles (0.35 km)
 | Replaced by  | 
|  | Young St. Wilson-Burt Rd.
 | Seneca St. |  | 5.56 miles (8.95 km)
 | . | 
|  | Royalton Center Rd. | Niagara CR 122 |  | 6.72 miles (10.82 km)
 | . | 
|  | Church Rd. |  |  | 0.91 miles (1.47 km)
 | . | 
|  | Porter Center Rd. |  |  | 7.54 miles (12.14 km)
 | . | 
|  | Tonawanda Creek Rd. | Niagara CR 12 | Erie County Line (Erie CR 42)
 | 2.77 miles (4.46 km)
 | . | 
|  | Tonawanda Creek Rd. North | Niagara CR 20/67 |  | 7.91 miles (12.74 km)
 | . | 
|  | Thrall Rd. | Niagara CR 902 | Niagara CR 5 | 1.99 miles (3.20 km)
 | . | 
|  | Hosmer Rd. |  |  | 7.34 miles (11.82 km)
 | . | 
|  | Lockport Ave. | North Tonawanda City Line (Lockport Ave.)
 | Niagara CR 20/60 | 0.45 miles (0.72 km)
 | . | 
|  | N. Beebe Rd. | Niagara CR 52 |  | 1.25 miles (2.01 km)
 | . | 
|  | N. Canal Rd. |  |  | 3.17 miles (5.10 km)
 | . | 
|  | W. Lake Rd. |  | Niagara CR 36 | 0.23 miles (0.37 km)
 | . | 
|  | Packard Rd. | Niagara Falls City Line (Packard Rd.)
 | Niagara CR 6 | 2.07 miles (3.33 km)
 | Discontinuous 0.23 miles at NY 182
 | 
|  | Randall Rd. |  | Niagara CR 36 | 4.34 miles (6.99 km)
 | . | 
|  | Raymond Rd. | Niagara CR 12 |  | 1.43 miles (2.30 km)
 | . | 
|  | Church St. Blairville Rd.
 |  |  | 1.93 miles (3.11 km)
 | . | 
|  | Nash Rd. | North Tonawanda City Line (Nash Rd.)
 | Niagara CR 6 | 3.70 miles (5.96 km)
 | . | 
|  | East Ave. Charlotteville Rd.
 |  | Niagara CR 24 | 3.03 miles (4.88 km)
 | . | 
|  | Lincoln Ave. | Niagara CR 14 | Niagara CR 142 | 1.24 miles (2.00 km)
 | . | 
|  | Crescent Dr. |   | Niagara CR 20 | 0.37 miles (0.60 km)
 | . | 
|  | Bear Ridge Rd. | Erie County Line (Erie CR 2)
 | Lockport City Line (Bear Ridge Rd.)
 | 7.19 miles (11.58 km)
 | . | 
|  | Ide Rd. |  |  | 5.80 miles (9.34 km)
 | . | 
|  | Hatter Rd. |  | Niagara CR 24 | 2.35 miles (3.78 km)
 | . | 
|  | Hartland Rd. | Niagara CR 10 (Erie Canal Bridge)
 |  | 10.24 miles (16.49 km)
 | . | 
|  | Balmer Rd. |  | Niagara CR 17 | 5.46 miles (8.79 km)
 | . | 
|  | Block Church Rd. | Niagara CR 112 |  | 1.60 miles (2.58 km)
 | . | 
|  | Beebe Rd. |  | Niagara CR 52 | 6.52 miles (10.50 km)
 | . | 
|  | Tonawanda Creek Rd. | Niagara CR 58 | Niagara CR 110 | 2.23 miles (3.59 km)
 | . | 
|  | Johnson Creek Rd. |  | Bradley Rd. | 1.81 miles (2.91 km)
 | . | 
|  | Cambria-Lockport Townline Rd. |  | Niagara CR 902 | 0.18 miles (0.29 km)
 | . | 
|  | Fashion Outlet Blvd. | Niagara Falls City Line (Fashion Outlet Blvd.)
 |  | 0.72 miles (1.16 km)
 | . | 
|  | Lower Mountain Rd. | Niagara CR 140 |  | 0.00 miles (0.00 km)
 | . | 
|  | Tonawanda Creek Rd. |  | Niagara CR 12 | 3.48 miles (5.60 km)
 | . | 
|  | Orangeport Rd. |  |  | 2.93 miles (4.71 km)
 | . | 
|  | Sunset Dr. | Niagara CR 5 | Niagara CR 19 | 2.42 miles (3.89 km)
 | . | 
|  | Feigle Blvd. |  | Niagara CR 130 | 1.85 miles (2.98 km)
 | . | 
|  | Wolcottsville Rd. |  | Niagara CR 55 | 2.02 miles (3.25 km)
 | . | 
| SPUR 
  | Old Wolcottsville Rd. | Niagara CR 122 | Niagara CR 122 | 0.26 miles (0.42 km)
 | . | 
|  | Robinson Rd. | Niagara CR 96 |  | 0.80 miles (1.29 km)
 | . | 
|  | Niagara St. | Niagara CR 902 | Niagara CR 120 | 0.60 miles (0.97 km)
 | . | 
|  | Young St. | Niagara CR 36 (Wilson Village Line)
 | Niagara CR 52 | 0.44 miles (0.71 km)
 | . | 
|  | Johnson Rd. | Niagara CR 19 |  | 0.91 miles (1.46 km)
 | . | 
|  | Plank Rd. | Niagara CR 12 | Niagara CR 58 | 0.28 miles (0.45 km)
 | . | 
|  | Walmore Rd. |  | Niagara CR 6 | 1.54 miles (2.80 km)
 | . | 
|  | E. Canal Rd. | Erie County Line (Erie CR 186)
 | Niagara CR 123 | 3.54 miles (5.70 km)
 | . | 
|  | Carmen Rd. |  |  | 9.84 miles (15.84 km)
 | . | 
|  | Dysinger Rd. | Niagara CR 14/123 | Niagara CR 142 | 3.47 miles (5.59 km)
 | Replaced by  | 
|  | Hart-Somerset Rd. |  |  | 4.43 miles (7.13 km)
 | . | 
|  | Bunker Hill Rd. |  | Niagara CR 10 | 0.29 miles (0.47 km)
 | . | 
|  | Ewings Rd. |  |  | 4.33 miles (6.97 km)
 | . | 
|  | Jackson St. |  at Fort Niagara Park |  at Youngstown Village Line | 0.25 miles (0.40 km)
 | Concurrent with  | 
|  | Carmen Rd. |  | Niagara CR 131 (Royalton-Hartland Town Line)
 | 0.74 miles (1.19 km)
 | Replaced by Niagara CR 131 | 
|  | Dickersonville Rd. | Niagara CR 116 |  | 0.30 miles (0.48 km)
 | . | 
|  | Connecting Blvd. | Niagara CR 67 |  | 0.16 miles (0.26 km)
 | . | 
|  | Akron Rd. | Lockport City line (Akron St.)
 |  | 3.47 miles (5.59 km)
 | . | 
|  | State St. |  | Orleans County Line | 0.80 miles (1.29 km)
 | Concurrent with  | 
|  | Lower Mountain Rd. |  | Niagara CR 125 | 4.05 miles (6.52 km)
 | . | 
|  | Hinman Rd. |  | Lockport City Line (Hinman Rd.)
 | 1.66 miles (2.67 km)
 | . | 
|  | Griswold St. |  |  | 5.00 miles (8.05 km)
 | . | 
|  | N 4th St. Oneida St.
 N. 2nd St.
 Lower River Rd.
 Main St.
 |  |  at Fort Niagara Park | 6.02 miles (9.69 km)
 | Concurrent with  |