 After through wooded suburban surroundings, the single northbound lane merges into eastbound I-84/US 6.SR 504 was once planned to be a short freeway to connect with the Berlin Turnpike (U.S. Route 5 and Route 15) near the South Meadows Expressway connector.This was once planned as part of the old planned Route 9 freeway (renumbered to the planned Route 189 freeway in 1963).