Interstate 81 North

Confirming marker posted beyond Exit 50 along Howard Ridge. Interstate 81 runs through Washington County for 3.94 miles.
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Interstate 81 spans Fort Patrick Henry Lake along the South Fork of the Holston River beside Warriors Path State Park.
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The South Fork of the Holston River feeds Boone Lake to the southeast.
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SR 357 is a 2.44 mile long route joining Interstate 81 with SR 75 at Tri-Cities Airport (TRI).
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SR 126 travels east from Kingsport and Chestnut Ridge to a diamond interchange with Interstate 81 at Exit 66.
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SR 126 continues 3.29 miles east from Exit 66 to SR 75 at the community of Blountville.
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SR 394 leads north from Blountville to a diamond interchange (Exit 74) with Interstate 81.
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SR 394 forms a 15.68 mile loop south from U.S. 11W to U.S. 11E/19 by Bristol Motor Speedway and east to U.S. 421/SR 435 in the city of Bristol.
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U.S. 11W travels east from Kingsport to a cloverleaf interchange (Exit 74) with Interstate 81 in Bristol, 1.5 miles ahead of the Virginia welcome center.
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Interstate 81 expands to six lanes from the exchange with U.S. 11W (W State Street) across the north side of Bristol. U.S. 11W heads east to Euclid Avenue with U.S. 421 to U.S. 11E/19 north of Downtown.
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U.S. 11W heads 15 miles west along a four lane highway from I-81 by The Pinnacle retail complex into Kingsport.
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The last confirming marker for I-81 north in Tennessee. The Washington County, Virginia line is just ahead.
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The Virginia welcome center lies just across the staet line and beyond the entrance ramp from adjacent U.S. 11W (W State Street).
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