Interstate 381
Encyclopedia
Interstate 381 is a spur from Interstate 81 that provides access to Bristol, Virginia
, United States
. It runs for 1.7 miles (2.7 km) from the intersection of Commonwealth Avenue (State Route 381) and Keys Street in Bristol north to Interstate 81 at exit 0. The I-81 interchange, the only one on I-381, is signed as exits 1A (I-81 north) and 1B (I-81 south).
In its original configuration, the interchange between Interstates 81 and 381 was a single Y interchange
, providing access from southbound I-81 to southbound I-381 (via a left exit) and northbound I-381 to northbound I-81. By 1989, ramps were added to make it a full direction T interchange. In 1996, southbound I-81 was moved next to the northbound side, turning the southbound left exit and entrance into right-side ramps.
|0.00
|0
|
|Southbound exit and northbound entrance
|-
|2.91
|1A-B
| – Kingsport
, Knoxville
, Roanoke
|Northbound exit and southbound entrance; signed as exits 1A (south) and 1B (north)
Bristol, Virginia
Bristol is an independent city in Virginia, United States, bounded by Washington County, Virginia, Bristol, Tennessee, and Sullivan County, Tennessee....
, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
. It runs for 1.7 miles (2.7 km) from the intersection of Commonwealth Avenue (State Route 381) and Keys Street in Bristol north to Interstate 81 at exit 0. The I-81 interchange, the only one on I-381, is signed as exits 1A (I-81 north) and 1B (I-81 south).
History
The Interstate 381 freeway originally opened to traffic on November 20, 1961, the same time as the part of Interstate 81 that bypasses Bristol to the north.In its original configuration, the interchange between Interstates 81 and 381 was a single Y interchange
Interchange (road)
In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...
, providing access from southbound I-81 to southbound I-381 (via a left exit) and northbound I-381 to northbound I-81. By 1989, ramps were added to make it a full direction T interchange. In 1996, southbound I-81 was moved next to the northbound side, turning the southbound left exit and entrance into right-side ramps.
Exit list
|-|0.00
|0
|
|Southbound exit and northbound entrance
|-
|2.91
|1A-B
| – Kingsport
Kingsport, Tennessee
Kingsport is a city located mainly in Sullivan County with some western portions in Hawkins County in the US state of Tennessee. The majority of the city lies in Sullivan County...
, Knoxville
Knoxville, Tennessee
Founded in 1786, Knoxville is the third-largest city in the U.S. state of Tennessee, U.S.A., behind Memphis and Nashville, and is the county seat of Knox County. It is the largest city in East Tennessee, and the second-largest city in the Appalachia region...
, Roanoke
Roanoke, Virginia
Roanoke is an independent city in the Mid-Atlantic U.S. state of Virginia and is the tenth-largest city in the Commonwealth. It is located in the Roanoke Valley of the Roanoke Region of Virginia. The population within the city limits was 97,032 as of 2010...
|Northbound exit and southbound entrance; signed as exits 1A (south) and 1B (north)