Mercia RdCity of Armadale » HilbertDo you (or did you) live on Mercia Rd in Hilbert, WA? How has Mercia Rd changed over the years? What was Mercia Rd like in the early days? Who were the original residents of Mercia Rd? Ask a question or tell your story below... April 17, 2017 by PerthMETRO.net zoom out · satellite view · hybrid (zoom out) Rate this street If you would like to be a custodian/moderator of Mercia Rd, please contact us.