Various companies expanded the network from its initial line to Kensington, with eleven companies operating within six years, three more having already failed before constructing tracks. The Adelaide to North Adelaide line opened in December 1878, a separate one from Port Adelaide to Albert Park in 1879, Adelaide to Mitcham and Hindmarsh in 1881, Walkerville 1882, Burnside, Prospect, Nailsworth and Enfield in 1883, and Maylands in 1892. Various streets were widened especially for the tram lines including Brougham Place, North Adelaide by and Prospect Road to a total width of .