current PA 18 alignment. The route was moved in 1928 to the Mercer-to-Greenville alignment. Connecting PA458 was decommissioned and reassigned as PA 58 in
current terminus at PA 65/PA 288 in Ellwood City. Pennsylvania Route 458 in Mercer County started at the intersection of PA 322 and PA 58's then-western
from the other PA 97 in Adams County) PA 99 - assigned as SR 0699 (never designated as a PA route; SR 0099 currently assigned to I-99) PA 283 - assigned
Pennsylvania Route 456 (PA 456) is a 12.1-mile-long (19.5 km) state highway located in Franklin County, Pennsylvania. The southern terminus is at the Maryland