Map Notes PA Route 66 joins with I-80 from Exit 60 to Exit 64. PA Route 68 terminates at the intersection with US Route 322.PA Route 66 joins PA Route 28 through part of downtown New Bethlehem. However, the roads separate again before heading south.
Exit 64 is “Clarion University” exit, which becomes Greenville Avenue in Clarion (see boro map).
Exit 62 is “Clarion” exit, which becomes Fifth Avenue in Clarion