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SR 220 is one of only three Tennessee State Routes that have alternate routes. State Route 220 Alternate (SR 220 Alt. or SR 220A) is an alternate route that travels from the SR 220 mainline on the south side of Atwood to US 70A on the east side of town. It is also unusual in that it is not posted with the "A" suffix, as most alternate routes ...
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US 220 was realigned onto US 322 and a limited-access highway running from State College to Bellefonte on May 30, 2003, at which point the previous route via Milesburg was redesignated as US 220 Alternate. [17] The latter route was extended to Tyrone when US 220 was moved onto a new section of I-99 from Tyrone to Port Matilda in 2008. [18]
As road closures are expected to last for months, the Tennessee Department of Transportation is warning people to avoid roads between East Tennessee and Western North Carolina.
The triangle marker design was the only design until November 1983, when Tennessee divided its routes into primary routes and secondary or "arterial" routes with the adoption of a functional classification system, creating a primary marker and making the triangle marker the secondary marker; primary marker signs were posted in 1984. [2]
The U.S. Highways in Tennessee are the segments of the United States Numbered Highway System that are maintained by the Tennessee Department of Transportation (TDOT) in the state of Tennessee. All of these highways in Tennessee have a state highway designation routed concurrently along them, though the state highway is hidden and only signed ...
The State Route System of Tennessee is maintained and developed by the Tennessee Department of Transportation (TDOT) in the U.S. state of Tennessee.Currently the state has 14,150 miles (22,770 km) of state-maintained roadways, including 1,233 miles (1,984 km) of Interstate Highways and 13,077 miles (21,045 km) of State Highways. [2]
Southbound US 220 Alt to NC 159, near Ulah. U.S. Route 220 Alternate (US 220 Alt), established in 1979, is an 27.5-mile (44.3 km) route that follows the old US 220 route through Candor, Biscoe and Star. [2] In 1997, it was extended further north through Seagrove to its current terminus near Ulah.