instruction: How long is the Georgia State Route 49
context: State Route 49 (SR 49) is a 122.8-mile-long (197.6 km) state highway that travels southwest-to-northeast through portions of Terrell, Sumter, Macon, Peach, Houston, Bibb, Jones, and Baldwin counties, mainly in the central part of the U.S. state of Georgia. The highway connects SR 45 north of Dawson to SR 22/SR 24 in Milledgeville.
  
  The segment from Fort Valley to Byron is part of the Fall Line Freeway, a highway that connects Columbia to Augusta. It may also be incorporated into the proposed eastern extension of Interstate 14 (I-14), which is currently entirely in Central Texas, and may be extended into Augusta.
response: The Georgia State Route 49 (SR 49) is a 122.8-mile-long (197.6 km) state highway that travels southwest-to-northeast through portions of Terrell, Sumter, Macon, Peach, Houston, Bibb, Jones, and Baldwin counties, mainly in the central part of the U.S. state of Georgia. The highway connects SR 45 north of Dawson to SR 22/SR 24 in Milledgeville.
  
  The segment from Fort Valley to Byron is part of the Fall Line Freeway, a highway that connects Columbia to Augusta. It may also be incorporated into the proposed eastern extension of Interstate 14 (I-14), which is currently entirely in Central Texas, and may be extended into Augusta.