U. S. Highway 20

Boston, Massachusetts – Newport, Oregon (at U.S. 101 Junction)
Current Mileage: 3211

U.S. 20 is one of the original 1926 Highways. Its east to west route takes it through 12 states. The current route has been in place since 1940.

  • Massachusetts – 152 Miles
  • New York – 388 Miles
  • Pennsylvania – 48 Miles
  • Ohio – 260 Miles
  • Indiana – 166 Miles
  • Illinois – 189 Miles
  • Iowa – 291 Miles
  • Nebraska – 436 Miles
  • Wyoming – 505 Miles
  • Montana – 7 Miles
  • Idaho – 332 Miles
  • Oregon – 437 Miles