 PA 23 splits from westbound PA 462 by heading west along Marietta Avenue.A few blocks later, eastbound PA 462 heads from Columbia Avenue onto West King Street, which carries two lanes of one-way traffic eastbound.Eastbound PA 462 continues along West King Street and westbound PA 23/PA 462 continues along West Walnut Street, with eastbound PA 23 following West Chestnut Street one block south of westbound PA 23/PA 462.