Pennsylvania Roads - PA 66
Main St. SB in Greensburg, Business PA 66 and the former mainline routing, looking at the Westmoreland County Courthouse.
PA 66 SB with PA 56 EB on the north side of Apollo.
Neither PA 66 (SB) nor US 422 (WB) continues this exit lettering scheme with a C or D, although US 422 does repeat it at US 119.
The 66 is laid out correctly. Not so, the 28.
To regular US 422
Onto PA 28
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