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[edit] History
- Certified in 1938. [2]
- Originally routed from 2 miles west of Berlin to route 643. [2]
- Route 643 to 3 miles north of Baltic was route 234 before 1930. [2]
- Route 643 to 3 miles north of Baltic was route 93 from 1930-50. [2]
- Route 643 to 3 miles north of Baltic was unnumbered from 1950-70. [2]
- Extended to 2 miles north of Baltic along previous route 93 in 1950. [2]
- In 1970, rerouted from route 643 to 3 miles north of Baltic along previous unnumbered road. [2]
- Route 643 to 2 miles north of Baltic decertified in 1970. [2]
[edit] References
- ^ Mileages retrieved from Technical Services Straight Line Diagrams unless otherwise noted.
- ^ a b c d e f g h Route 557 by John Simpson