The first tram route that opened was Stag Gate - Holy Rood . A second route opened on 6 May 1879 which was Alma Road - Canute Road - Oxford Street - High Street - Floating Dock and Stag Gates - Lodge Road - Portswood . The first route opened was Stag Gates â `` Holy Rood , with approval to operate Alma Road â `` Canute Road â `` Oxford Street â `` High Street â `` Floating Dock and Stag Gates â `` Lodge Road â `` Portswood being received on 6 May 1879 .