Wikipedia:WikiProject U.S. Roads/Virginia/Principal arterials

The following are defined as principal arterials; information is from [1].

US 19
  • Abingdon to US 460 (why is there no connection to I-81 in Abingdon?)
US 23
  • Tennessee to Kentucky
US 58 Alt.
  • US 23 to US 19
US 421
  • Tennessee to SR 381 (why isn't SR 381 listed?)
US 460
  • Kentucky to West Virginia
SR 158
  • ?

I'm not sure if this database is accurate.