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['Size and Weight Limits']
['National Network']
11/08/2025
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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 |
|---|---|---|
| US 13 | VA State Line | DE State Line. |
| US 15 | US 40/340 Frederick | MD 26 Frederick. |
| US 40 | US 15/340 Frederick | I–70/270 Frederick. |
| US 48 | WV State Line | I–70 Hancock. |
| US 50 | MD 201/Kenilworth Ave. Cheverly | US 13 Salisbury. |
| US 301 | VA State Line | DE State Line. |
| US 340 | MD 67 Weverton | US 15/40 Frederick. |
| MD 3 | US 50/301 Bowie | I–695/MD 695 Glen Burnie. |
| MD 4 | I–95 Forestville | US 301 Upper Marlboro. |
| MD 10 | MD 648 Glen Burnie | MD 695 Glen Burnie. |
| MD 100 | MD 3 | MD 607 Jacobsville. |
| MD 201 (Kenilw. Ave.) | D.C. Line | US 50 Cheverly. |
| MD 295 | I–695 Linthicum | I–95 Baltimore. |
| MD 695 | I–695/MD 3 Glen Burnie | I–95/695 Kenwood. |
| MD 702 | Old Eastern Avenue | MD 695 Essex. |
| Note: I–895 Baltimore — Widths over 96 inches and tandem trailers may be prohibited on the Harbor Tunnel Thruway because of construction. | ||
['Size and Weight Limits']
['National Network']
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Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.