US 321 ALT 
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US 321 ALT  not currently assigned
Previous US 321 ALT's:

1964 ROUTE LOG
US 321: 0 - 0
SC 49: 0.4 - 0.4
SC 5: 0.9 - 1.3
US 321, SC 161: 1.2 - 2.5

US 321 ALT: Appeared in 1958 as a new route running as a bypass around the west of York.
Between 1964-67, US 321 ALT became mainline US 321.

1962 York County
US 321 ALT around York
1962 York County
1967 York County
US 321 replaces US 321 ALT
1967 York County

 

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Page last modified 25 August 2017