text: Thinking about it, that middle section does seem to be Rahoon Road alright: http://www.irishstatutebook.ie/eli/2012/si/54/made/en/print
  
  "R338
  
  Salthill — Newcastle — Oranmore, County Galway
  
  Between its junction with R336 at Salthill Road Upper and its junction with N6 at Newcastle via Threadneedle Road, Bishop ODonnell Road, Rahoon Road and Seamus Quirke Road all in the city of Galway"