Ohio State Route 603

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State Route 603
Length: 33.60 mi[1] (54.07 km)
Formed: 1938
South end: SR 95 near Perrysville
North end: SR 61 in Plymouth
Counties: Richland, Ashland
Ohio highways
< SR 602 SR 604 >

[edit] History

  • Certified in 1938. [2]
  • Originally routed from 10 miles south of Mifflin to 1 mile south of Shiloh. [2]
  • 1 mile south of Shiloh to Plymouth was route 178 before 1961. [2]
  • Extended to Plymouth along previous route 178 in 1961. [2]

[edit] References

  1. ^ Mileages retrieved from Technical Services Straight Line Diagrams unless otherwise noted.
  2. ^ a b c d Route 603 by John Simpson