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['Size and Weight Limits']
['National Network']
11/08/2025
State Info
[The federally–designated routes on the National Network consist of the Interstate System, except as noted, and the following additional Federal–aid Primary highways]
| Route | From | To |
|---|---|---|
| I–75 Conn | US 24BR Pontiac | I–75. |
| US 2 | WI State Line Ironwood | WI State Line S. of Crystal Falls. |
| US 2 | WI State Line Iron Mountain | I–75 St. Ignace. |
| US 8 | US 2 Norway | WI State Line. |
| US 10 | Ludington | I–75 Bay City. |
| US 12 | IN State Line | I–94 W. Jct.Ypsilanti. |
| US 23 | OH State Line | I–75 Mackinaw City. |
| US 24 | OH State Line | MI 15 Waterford. |
| US 24BR | US 24 S. of Pontiac | MI 1 Pontiac. |
| US 27 | IN State Line | I–75 S. of Grayling. |
| US 31 | IN State Line | I–75 Mackinaw City. |
| US 33 | IN State Line | US 12 Niles. |
| US 41 | WI State Line | Houghton. |
| US 45 | WI State Line | MI 26 Rockland. |
| US 127 | OH State Line | I–69/US 27 N. of Lansing. |
| US 131 | IN State Line | US 31 Petoskey. |
| US 141 | WI State Line S. ofCrystal Falls | US 41/MI 28. |
| US 223 | US 23 | US 12/127 Somerset. |
| MI 10 | I–375 Detroit | Orchard Lake Road. |
| MI 13 | I–69 Lennon | I–75 Saginaw (via MI 81). |
| MI 13 | I–75 Kawkawlin (via I–75 Conn.) | US 23 Standish. |
| MI 14 | I–94 Ann Arbor | I–96/275 Plymouth. |
| MI 15 | US 24 Clarkston | MI 25 Bay City. |
| MI 18 | US 10 | MI 61 Gladwin. |
| MI 20 | US 31 New Era | MI 37 White Cloud. |
| MI 20 | US 27 Mt. Pleasant | US 10 Midland. |
| MI 21 | I–96 near Grand Rapids | I–69 Flint. |
| MI 24 | I–75 Auburn Hills(via I–75 Conn.) | I–69 Lapeer. |
| MI 24 | MI 46 | MI 81 Caro. |
| MI 26 | US 45 Rockland | MI 38. |
| MI 27 | I–75 | US 23 Cheboygan. |
| MI 28 | US 2 Wakefield | I–75. |
| MI 32 | Hillman | Alpena. |
| MI 33 | Mio | Fairview. |
| MI 35 | US 2/41 Escanaba | US 2/41 Gladstone. |
| MI 36 | US 127 Mason | Dansville. |
| MI 37 | MI 55 | US 31/MI 72 Traverse City. |
| MI 37 | I–96 Grand Rapids | MI 46 Kent City. |
| MI 38 | US 45 Ontonagon | US 41 Baraga. |
| MI 39 | I–75 Lincoln Park | MI 10 Southfield. |
| MI 40 | MI 89 Allegan | US 31BR/I–196BL Holland. |
| MI 43 | MI 37 Hastings | US 127 Lansing. |
| MI 46 | US 131 Howard City | MI 25 Port Sanilac. |
| MI 47 | I–675 Saginaw (via MI 58) | US 10. |
| MI 50 | MI 43/66 Woodbury | MI 99 Eaton Rapids. |
| MI 50 | US 127 S. Jct | I–75 Monroe. |
| MI 51 | US 12 Niles | I–94. |
| MI 52 | OH State Line | US 12 Clinton. |
| MI 52 | I–96 Webberville | MI 46 W. of Saginaw. |
| MI 53 | MI 3 Detroit | MI 25 Port Austin. |
| MI 55 | US 31 Manistee | I–75. |
| MI 55 | MI 65 | US 23 Tawas City. |
| MI 57 | US 131 N. of Rockford | US 27. |
| MI 57 | MI 52 Chesaning | I–75 Clio. |
| MI 59 | US 24 BR Pontiac | I–94. |
| MI 60 | MI 62 Cassopolis | I–69/US 27. |
| MI 61 | MI 115 | US 27 Harrison. |
| MI 61 | MI 18 Gladwin | US 23 Standish. |
| MI 63 | US 31 Scottdale | I–196. |
| MI 65 | US 23 Omer | MI 55. |
| MI 65 | MI 72 Curran | MI 32. |
| MI 65 | Posen | US 23 N. of Posen. |
| MI 66 | IN State Line | US 12 Sturgis. |
| MI 66 | Battle Creek | MI 78. |
| MI 66 | MI 43/50 Woodbury | MI 46 Edmore. |
| MI 67 | US 41 Trenary | MI 94 Chatham. |
| MI 68 | US 31/131 Petoskey | US 23 Rogers City. |
| MI 69 | US 2/141 Crystal Falls | MI 95 Sagola. |
| MI 72 | US 31/MI 37 Traverse City | US 23 Harrisville. |
| MI 77 | US 2 | MI 28 Seney. |
| MI 78 | MI 66 | I–69 Olivet. |
| MI 81 | MI 24 Caro | MI 53. |
| MI 82 | MI 37 S. Jct. Newago | US 131. |
| MI 83 | Frankenmuth | I–75. |
| MI 84 | I–75 | MI 25 Bay City. |
| MI 89 | MI 40 Allegan | US 131. |
| MI 94 | US 41 | MI 28 Munising. |
| MI 95 | US 2 Iron Mountain | US 41/MI 28. |
| MI 104 | US 31 Grand Haven | I–96. |
| MI 115 | US 27 | MI 22 Frankfort. |
| MI 117 | US 2 Engadine | MI 28. |
| MI 123 | I–75 N. ofSt. Ignace | MI 28. |
| MI 142 | MI 25 Bay Port | MI 53. |
| MI 205 | IN State Line | US 12 W. of Union. |
['Size and Weight Limits']
['National Network']
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