 It passes under the Northeast Corridor and comes to Middlesex Avenue, where County Route 501 turns to the left and Route 27 turns to the right to resume its northeast direction.Route 27 intersects County Route 531 (Main Street) after and continues northeast on Middlesex Avenue, passing through a residential environment where the route carries about 22,414 vehicles daily.The road comes to a bridge over Conrail Shared Assets Operations' Port Reading Secondary line.