In what year did the Highway that connects the major metropolitan areas of St. Louis, Louisville and Lexington in Kentucky, Charleston, West Virginia, and Richmond, Virginia open?
Grayson, Kentucky Grayson is a home rule-class city in and the county seat of Carter County, Kentucky, United States, in the state's northeastern region. The population was 4,217 at the 2010 census. Along with Carter County, the city is closely associated with the nearby Huntington-Ashland, WV-KY-OH Metropolitan Statistical Area being just 9 miles west of the M.S.A's western boundary. The city has grown in size substantially since the opening of Interstate 64 in 1975 through Carter County. Immediately afterwards, Grayson experienced several years of commercial sector growth to serve the Interstate 64 traffic. Since 1990, the city has also seen significant growth in the residential sector with the Interstate making for a faster trip to and from Ashland. Beginning in 1995, AA Highway terminates in Grayson making the city a gateway to the Huntington-Ashland urban area.
Virginia State Route 91 State Route 91 (SR 91) is a primary state highway in the U.S. state of Virginia. The state highway runs 55.12 mi from the Tennessee state line near Damascus, where the highway continues as Tennessee State Route 91 (TN-91), north to U.S. Route 19 Business and US 460 Business at Frog Level. SR 91 connects Damascus in southeastern Washington County with the northeastern county town Glade Spring, where the highway has junctions with US 11 and Interstate 81 (I-81). The state highway also indirectly connects Saltville in northwestern Smyth County and Tazewell, the county seat of Tazewell County. SR 91 is the only primary state highway in Virginia with an unpaved section; this gravel section is in southern Tazewell County.