(highways listed west to east)
This list does not include the Maryland-Delaware border, which technically is part of the Mason-Dixon survey.
To see photos of most of the Mason-Dixon Line highway crossings, see Adam Prince's Pennsylvania State Road Ends or Brian Polidoro's Maryland State Ends Project and search for the routes listed below.
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Pa. 218 and W.Va. 218
U.S. 19
Interstate 79
U.S. 119
Pa. 857
Pa. 381
Pa. 281 and W.Va. 26 (closest crossing to the Tri-Point of Md., W.Va. and Pa.)
Md. 42
U.S. 40 (the National Road)
Pa. 669 and Md. 669
U.S. 219
Md. 546
Pa. 160 and Md. 47
Pa. 96 and Md. 35
U.S. 220
Pa. 326
Pa. 26
Interstate 70
Pa. 655
Pa. 928
Md. 615
Pa. 456
Pa. 75 and Md. 494
Pa. 416
Pa. 163 and Md. 63
Interstate 81
U.S. 11
Pa. 316 and Md. 60
Pa. 997 and Md. 64
Pa. 16 and Md. 140
U.S. 15
Business U.S. 15
Pa. 134
Pa. 194 and Md. 194
Pa. 97 and Md. 97
Pa. 94 and Md. 30
Pa. 516 and Md. 86
Md. 45
Interstate 83
Pa. 24 and Md. 23
Md. 24
Pa. 74 and Md. 165
Md. 623
U.S. 222
U.S. 1
Pa. 272 and Md. 272
Pa. 841 and Md. 213
Pa. 896 (closest highway to The Arc)
| The last crossings
(near Ned, Pa.) Near the real end of The Line |
From Ned to U.S.
19 and I-79 Near Mount Morris, Pa., and Morgantown |
Brown's Hill (Mason and Dixon's westernmost site) |
| The Dunkard Creek
crossings (where Mason and Dixon were stopped) |
From U.S. 19 and
I-79 eastward To Chestnut Ridge |
Lake
Lynn Dam It forms Cheat Lake |
| West of The
Line If it was extended west to the Ohio River |
Easternmost
Western Crossings Random crossings east of Chestnut Ridge |
The Tripoint Where W.Va., Md. and Pa. meet |
| The Transpeninsular
Line Delaware's southern border |
Delaware's southwest
corner Another end of The Line |
Mason-Dixon markers
I've
visited Some are out of the way |
| Coming soon |
Coming soon |
To come: The
Ellicott Line Along Pa.'s western border |
| Back to the main page The starting point |
Highways that
cross The Line State and U.S. roads, Interstates |
Links page See what else is out there |