 The eastern terminus is at Interstate 90 and Pennsylvania Route 430 southeast of downtown in Harborcreek Township.PA 290 officially begins at I-79 exit 183, less than a quarter of a mile from where I-79 terminates at the Bayfront Parkway.After exiting the off-ramps, PA 290 embarks on a concurrency with PA 5 eastward through downtown Erie on 12th Street, passing south of Louis J. Tullio Arena and UPMC Park in the heart of downtown.