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Interstate 81 |
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Northbound I-81 reassuance shield near Preble.
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About |
Junction List |
Photos/Videos |
Links |
Southern Terminus: | PA Line at Conklin |
Northern Terminus: | US-Canada Border at Wellesley Island (Continues as ON 137) |
Length: | 183.42 miles (295.31 km) |
Orientation: | North-South |
Counties: | Broome, Cortland, Onondaga, Oswego, Jefferson |
Cities: | Binghamton, Cortland, Syracuse, Watertown |
Villages: | Whitney Point, Marathon, Homer, North Syracuse, Parish, Pulaski, Sandy Creek, Adams |
Towns: |
Kirkwood, Dickinson, Chenango, Barker, Triangle, Lisle, Marathon, Lapeer, Virgil, Cortlandville, Homer, Preble, Tully, Lafayette, Onondaga, Salina, Clay, Cicero, Parish, Mexico, Richland, Sandy Creek, Ellisburg, Adams, Hounsfield, Watertown, Pamelia, Orleans, Alexandria |
Name(s): | American Legion Memorial Highway |
History: |
Construction began in 1954, with the last sections opening in 1971.
Sometime in 2025, the segment of I-81 between Exits 16A and 29 will be relocated to the current I-481 alignment as the elevated section of I-81 in downtown Syracuse is expected to be demolished and replaced with a grade level boulevard. Construction began in 2023 with reconstruction of the two interchanges with I-481 north and south of Syracuse. The project as a whole is expected to be completed by 2028. The process to convert I-81's exit numbering scheme from sequential to mileage based began in 2023 with the exits in NYSDOT Region 3 (Cortland, Onondaga, and Oswego Counties) along sections that will not be relocated. Exit numbers in Broome County made the switch in early 2025. Exit numbers north of Syracuse reflect the new mileage once the Syracuse section of I-81 is relocated to I-481. |
About |
Junction List |
Photos/Videos |
Links |
Mile | Desc. | NORTH
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SOUTH
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0.00 | JCT |
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3.98 |
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8.47 |
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. | MP |
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8.72 |
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12.01 |
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12.40 |
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(Mark Sinsabaugh, 04/11/2025) |
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. | MP | . |
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12.88 |
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(Mark Sinsabaugh, 04/11/2025) |
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13.54 |
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14.77 |
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15.66 |
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16.42 |
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21.52 |
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(Mark Sinsabaugh, 04/11/2025) |
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28.83 |
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30.23 |
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35.68 | . | ![]() |
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(Mark Sinsabaugh, 04/17/2025) |
(Mark Sinsabaugh, 03/21/2015) |
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38.17 |
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39.90 |
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49.90 |
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52.27 |
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53.94 |
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62.75 |
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65.04 | . | ![]() |
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66.51 |
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73.13 |
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78.04 |
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81.37 |
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82.35 | ![]() |
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83.77 | ![]() |
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84.43 | ![]() |
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84.74 | ![]() |
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84.83 | ![]() |
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85.28 | ![]() |
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85.31 | ![]() |
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86.39 | ![]() |
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87.78 | ![]() |
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88.18 | ![]() |
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89.67 | ![]() |
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90.33 | ![]() |
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![]() (Douglas Kerr, 12/12/2009) |
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91.16 | ![]() |
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92.54 | ![]() |
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95.03 |
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98.96 |
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99.15 |
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102.78 |
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111.08 |
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114.72 |
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118.15 |
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121.56 |
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122.34 |
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128.15 |
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129.98 | . | ![]() |
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130.68 | ![]() |
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132.71 | ![]() |
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134.59 | ![]() |
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140.15 | ![]() |
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144.28 | ![]() |
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145.83 | ![]() |
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148.19 | ![]() |
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152.50 | ![]() |
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153.47 | ![]() |
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154.95 | ![]() |
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157.57 | ![]() |
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158.00 | ![]() |
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![]() (George Bourey, 06/28/2020) |
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169.07 | ![]() |
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![]() (Mark Sinsabaugh, 09/10/2011) |
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178.04 | ![]() |
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![]() (Douglas Kerr, 04/24/2003) |
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. | . |
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179.70 | ![]() |
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![]() (Douglas Kerr, 00/00/0000) |
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182.93 | ![]() |
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183.42 | . |
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. | . |
EXPRESSWAY ENDS ![]() ![]() |
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183.42 | JCT (NT) |
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. | . |
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About |
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Page Created: October 3, 2006 | Page Updated: April 19, 2025