I-77
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Interstate 77 (I-77) is a north–south
Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
in the eastern
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. It traverses diverse terrain, from the mountainous state of
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the B ...
to the rolling farmlands of
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
and
Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
. It largely supplants the old US Route 21 (US 21) between
Cleveland, Ohio Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...
, and
Columbia, South Carolina Columbia is the capital of the U.S. state of South Carolina. With a population of 136,632 at the 2020 census, it is the second-largest city in South Carolina. The city serves as the county seat of Richland County, and a portion of the city ...
, as an important north–south corridor through the middle
Appalachians The Appalachian Mountains, often called the Appalachians, (french: Appalaches), are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They ...
. The southern terminus of I-77 is in
Cayce, South Carolina Cayce ( ) is a city in the U.S. state of South Carolina, along the Congaree River. The population was 12,528 at the 2010 census and rose to 13,789 in the 2020 United States Census, and it is the third-most populated municipality in Lexington County ...
, in
Lexington County Lexington County is a county located in the U.S. state of South Carolina. As of the 2020 census, the population was 293,991, and the 2021 population estimate was 300,137. Its county seat and largest town is Lexington. The county was chartered ...
at the junction with I-26. The northern terminus is in Cleveland at the junction with I-90. Other major cities that I-77 connects to include
Charlotte, North Carolina Charlotte ( ) is the most populous city in the U.S. state of North Carolina. Located in the Piedmont region, it is the county seat of Mecklenburg County. The population was 874,579 at the 2020 census, making Charlotte the 16th-most populo ...
; Charleston, West Virginia; and
Akron, Ohio Akron () is the fifth-largest city in the U.S. state of Ohio and is the county seat of Summit County. It is located on the western edge of the Glaciated Allegheny Plateau, about south of downtown Cleveland. As of the 2020 Census, the city prop ...
. The East River Mountain Tunnel, connecting
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
and West Virginia, is one of only two instances in the United States where a mountain road tunnel crosses a state line. The other is the
Cumberland Gap Tunnel The Cumberland Gap Tunnel is a dual-bore, four lane vehicular tunnel that carries U.S. Route 25E under Cumberland Gap National Historical Park near the intersection of Kentucky, Tennessee, and Virginia. The tunnel consists of two separate bo ...
, connecting
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
and
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia to ...
. I-77 is a
snowbird Snowbird is a common name for the dark-eyed junco (''Junco hyemalis''). Snowbird may also refer to: Places *Snowbird, Utah, an unincorporated area and associated ski resort *Snowbird Lake, a lake in the Northwest Territories, Canada *Snowbird ...
route to the
Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, or simply the South) is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean ...
for those traveling from the
Great Lakes region The Great Lakes region of North America is a binational Canadian–American region that includes portions of the eight U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin along with the Canadian p ...
.


Route description

, - , SC , , - , NC , , - , , VA , , - , WV , , - , OH , , - , Total ,


South Carolina

I-77 begins as an eight-lane highway at I-26 in the far southeastern part of the Columbia metropolitan area. In the Columbia area, I-77 offers access to Fort Jackson before meeting I-20 in the northeastern part of the city. This segment of I-77, combined with I-20 and I-26, form a beltway around Columbia, though it is not officially designated as such. After leaving the northern Columbia suburb of Blythewood, I-77 narrows to four lanes until it widens to eight lanes at Rock Hill from exit 77 to the North Carolina state line at I-485. The final section of the entire length of I-77 was completed in Columbia in 1995.


North Carolina

I-77 through North Carolina begins at the South Carolina state line at Pineville. It narrows to six lanes on the North Carolina side south of
Charlotte Charlotte ( ) is the most populous city in the U.S. state of North Carolina. Located in the Piedmont region, it is the county seat of Mecklenburg County. The population was 874,579 at the 2020 census, making Charlotte the 16th-most populo ...
and then widens to 8 and 10 lanes through downtown before entering the North Carolina
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
region. In Charlotte, it intersects
I-85 Interstate 85 (I-85) is a major Interstate Highway in the Southeastern United States. Its southern terminus is at an interchange with I-65 in Montgomery, Alabama; its northern terminus is an interchange with I-95 in Petersburg, Virginia, ...
as well as intersecting each of the loops of I-485 and I-277 (twice). North of Charlotte, it skirts Lake Norman where it narrows again to four lanes before passing through Huntersville, Cornelius,
Davidson Davidson may refer to: * Davidson (name) * Clan Davidson, a Highland Scottish clan * Davidson Media Group * Davidson Seamount, undersea mountain southwest of Monterey, California, USA * Tyler Davidson Fountain, monument in Cincinnati, Ohio, USA * ...
, and Mooresville. At Statesville, north of I-85, it intersects
I-40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...
and US 70. Next, it crosses over US 421 in
Yadkin County Yadkin County is located in the U.S. state of North Carolina. As of the 2020 census, the population was 37,214. Its county seat is Yadkinville. Yadkin County is included in the Winston-Salem, NC Metropolitan Statistical Area, which is also inc ...
and continues on through Elkin. The final intersection in the state is with a discontinuous section of
I-74 } Interstate 74 (I-74) is an Interstate Highway in the Midwestern and Southeastern United States. Its western end is at an interchange with I-80 in Davenport, Iowa (Quad Cities); the eastern end of its Midwest segment is at an interchang ...
near Mount Airy. I-77 in Charlotte is also known as the Bill Lee Freeway; this designation stretches from exit 6 (South Tryon Street/Woodlawn Road) in Charlotte to exit 33 (US 21 north), near Mooresville. A portion south of the city is called the General Younts Expressway. When I-77 crosses over I-85 (which runs in an east–west direction through the interchange), the northbound lanes are to the west of the southbound lanes. North Carolina completed its section of I-77 in 1975.


Virginia

I-77 through Virginia passes through two tunnels: the
Big Walker Mountain Tunnel The Big Walker Mountain Tunnel is a vehicular tunnel in the Appalachian Mountains of Southwest Virginia that carries Interstate 77 through and under Big Walker Mountain. It is located a few miles south of the town of Bland in Bland County and a ...
and the East River Mountain Tunnel. For , I-77 and
I-81 Interstate 81 (I-81) is a north–south (physically northeast–southwest) Interstate Highway in the eastern part of the United States. Its southern terminus is at I-40 in Dandridge, Tennessee; its northern terminus is on Wellesley Isla ...
overlap near
Wytheville Wytheville is a town in, and the county seat of, Wythe County, in southwestern Virginia, United States. It is named after George Wythe, a signer of the United States Declaration of Independence, and mentor to Thomas Jefferson. Wytheville's populat ...
. This is a
wrong-way concurrency A concurrency in a road network is an instance of one physical roadway bearing two or more different route numbers. When two roadways share the same right-of-way, it is sometimes called a common section or commons. Other terminology for a concurr ...
, where two roads run concurrent with each other but are designated in opposite directions. On March 31, 2013, there was a nearly 100-car pileup on I-77 near Fancy Gap; as a result of that crash, electronic variable speed limit signs are now in place along that stretch of I-77. The speed limit can be adjusted according to driving conditions at a given time.


West Virginia

I-77 enters
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the B ...
through the East River Mountain Tunnel. At milepost 9, I-77 becomes cosigned with the
West Virginia Turnpike West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some ...
for the next , a
toll road A toll road, also known as a turnpike or tollway, is a public or private road (almost always a controlled-access highway in the present day) for which a fee (or ''Toll (fee), toll'') is assessed for passage. It is a form of road pricing typically ...
between
Princeton Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the ni ...
and Charleston. It is concurrent with
I-64 Interstate 64 (I-64) is an east–west Interstate Highway in the Eastern United States. Its western terminus is at I-70, U.S. Route 40 (US 40), and US 61 in Wentzville, Missouri. Its eastern terminus is at an interchang ...
to Charleston at Beckley. The speed limit is for most of the length, with a limit for the section between Marmet and the toll plaza near
Pax Pax or PAX may refer to: Peace * Peace (Latin: ''pax'') ** Pax (goddess), the Roman goddess of peace ** Pax, a truce term * Pax (liturgy), a salutation in Catholic and Lutheran religious services * Pax (liturgical object), an object formerly ki ...
. It enters Charleston via the Yeager Bridge before splitting off at a four-level junction with I-64. north of the city center, it junctions with
I-79 Interstate 79 (I-79) is an Interstate Highway in the eastern United States, designated from I-77 in Charleston, West Virginia, north to Pennsylvania Route 5 (PA 5) and PA 290 in Erie, Pennsylvania. It is a primary thoroughfare ...
, before proceeding north to Ripley and
Parkersburg Parkersburg is a city in and the county seat of Wood County, West Virginia. Located at the confluence of the Ohio and Little Kanawha rivers, it is the state's fourth-largest city and the largest city in the Parkersburg-Marietta-Vienna metro ...
. North of Charleston, I-77 is known as the Korean War Veterans Memorial Highway.


Ohio

Entering from
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the B ...
at Marietta, I-77 passes through rolling Appalachian terrain. The interchange with I-70 at Cambridge is (or at least at one time was) thought to be the largest interchange in the world, covering over . I-77 continues north through Canton and then Akron, where it connects with I-76. The interchange with I-80, the Ohio Turnpike, between Akron and Cleveland was completed in December 2001; previously, traffic had to exit at State Route 21 (SR 21) to access the Turnpike. I-77 ends at I-90 in Cleveland. I-77 is also known as the Vietnam Veterans Memorial Highway in Ohio and the Willow Freeway in
Greater Cleveland The Cleveland metropolitan area, or Greater Cleveland as it is more commonly known, is the metropolitan area surrounding the city of Cleveland in Northeast Ohio, United States. According to the 2020 United States Census results, the five-county ...
.Willow Freeway
from ''Encyclopedia of Cleveland History''


Junction list

;South Carolina : in Cayce : in Cayce : in Columbia : on the WoodfieldDentsville CDP line : in Dentsville : south of Blythewood : on the LesslieRock Hill line : in Rock Hill : north of
Fort Mill Fort Mill, also known as Fort Mill Township, is a town in York County, South Carolina, United States. It is a suburb of Charlotte, North Carolina. As of 2020 census, 24,521 people live inside the town's corporate limits. Some businesses and resid ...
. The highways travel concurrently to
Charlotte, North Carolina Charlotte ( ) is the most populous city in the U.S. state of North Carolina. Located in the Piedmont region, it is the county seat of Mecklenburg County. The population was 874,579 at the 2020 census, making Charlotte the 16th-most populo ...
. ;North Carolina : in Charlotte : in Charlotte : in Charlotte : in Charlotte : in Charlotte : in Huntersville : in Cornelius. The highways travel concurrently to Mooresville. : southeast of Troutman : in Statesville : in Statesville : north of Statesville : west-northwest of Hamptonville : south-southeast of Jonesville. The highways travel concurrently to Elkin. : west-southwest of Pine Ridge. The highways travel concurrently to the
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
state line north-northwest of Pine Ridge. ;Virginia : in Woodlawn : in
Fort Chiswell Chiswell , sometimes , is a small village at the southern end of Chesil Beach, in Underhill, on the Isle of Portland in Dorset. It is the oldest settlement on the island, having formerly been known as Chesilton. The small bay at Chiswell is ca ...
. The highways travel concurrently to
Wytheville Wytheville is a town in, and the county seat of, Wythe County, in southwestern Virginia, United States. It is named after George Wythe, a signer of the United States Declaration of Independence, and mentor to Thomas Jefferson. Wytheville's populat ...
. : in Fort Chiswell. The highways travel concurrently to Wytheville. : west of Bland : in Rocky Gap : north-northwest of Rocky Gap. The highways travel concurrently to
Bluefield, West Virginia Bluefield is a city in Mercer County, West Virginia, United States. The population was 9,658 at the 2020 census. It is the principal city of the Bluefield WV- VA micropolitan area, which had a population of 106,363 in 2020. Geography Bluefie ...
. ;West Virginia : east-southeast of
Princeton Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the ni ...
: south-southeast of Camp Creek : southeast of Crab Orchard. The highways travel concurrently to Charleston. : southeast of Snow Hill. The highways travel concurrently to Charleston. : northeast of Charleston : in Ripley. The highways travel concurrently to Silverton. : east of
Parkersburg Parkersburg is a city in and the county seat of Wood County, West Virginia. Located at the confluence of the Ohio and Little Kanawha rivers, it is the state's fourth-largest city and the largest city in the Parkersburg-Marietta-Vienna metro ...
;Ohio : in Marietta : south-southeast of
Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge bec ...
: east of Cambridge : northeast of Cambridge : in
Newcomerstown Newcomerstown is a village in Tuscarawas County, Ohio, United States, east-northeast of Columbus. In the late 1770s, this was the largest Delaware Indian village on the Tuscarawas River, with 700 residents. Chief Newcomer (''Netawatwes'') was ...
: in New Philadelphia. The highways travel concurrently to south-southeast of Strasburg. : in Canton. I-77/US 62 travels concurrently through Canton. : south of
Akron Akron () is the fifth-largest city in the U.S. state of Ohio and is the county seat of Summit County. It is located on the western edge of the Glaciated Allegheny Plateau, about south of downtown Cleveland. As of the 2020 Census, the city ...
: in Akron. I-76 and I-77 travel concurrently through Akron. : West of Akron : in Richfield : on the Richfield– Brecksville line : on the
Independence Independence is a condition of a person, nation, country, or state in which residents and population, or some portion thereof, exercise self-government, and usually sovereignty, over its territory. The opposite of independence is the statu ...
Brooklyn Heights Brooklyn Heights is a residential neighborhood within the New York City borough of Brooklyn. The neighborhood is bounded by Old Fulton Street near the Brooklyn Bridge on the north, Cadman Plaza West on the east, Atlantic Avenue on the south, ...
line : in
Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...
: in Cleveland : in Cleveland


Auxiliary routes

* I-277 – Charlotte * I-277 – Akron


References


External links

* {{Authority control 77