Cornelius Pass Road is an arterial road over Cornelius Pass in the Tualatin Mountains west of Portland, Oregon, United States, also extending several miles to the south. Running north–south, the road stretches between U.S. Route 30 (US 30) on the north and Kinnaman Street, just south of Oregon Route 8 (OR 8), on the south. The road passes through Washington and Multnomah counties, crossing the Tualatin Mountains at Cornelius Pass, 581 feet (177 m) above sea level. TriMet's MAX Light Rail line (Blue Line or Westside MAX) travels over the road on a bridge. The section between US 30 in Burlington and U.S. Route 26 (Sunset Highway) in Hillsboro is Oregon Route 127 (OR 127), known in the Oregon state highway system as Cornelius Pass Highway No. 127 (see Oregon highways and routes).