the section between charles street (near stop 30) and tooranga road (stop 48) was one of the original lines constructed by the prahran & malvern tramways trust (pmtt), which opened on 30 may 1910. this line was extended west to punt road on 14 march 1911 and again, to st kilda road on 14 september 1912, connecting with the st kilda road cable tram to the city. the pmtt extended the line again on 25 march 1914, this time east, to its current terminus at malvern road. meanwhile, the melbourne, brunswick & coburg tramways trust (mbctt) constructed the section of route 6 north of queensberry street towards moreland. this section opened on 31 october 1916.