The electric trolleys were replaced with trackless electric trolleys in 1938. SEPTA City Transit Division surface routes include bus and trackless trolley lines. Watertown is served by several MBTA bus and trackless trolley routes. The BERy started replacing some rail vehicles with trackless trolleys in 1936. Sea Isle City used to have a trackless trolley service that operated along Landis Avenue. Many of today's bus and trackless trolley routes were once streetcar lines. SEPTA currently operates trackless trolleys on Routes 59, 66, and 75. The trackless trolley was often seen as an interim step, leading to streetcars. Trackless trolley service was restored in December 2016. Smaller trackless trolley systems were built in the US early as well. The TTC always used the term "trolley coach" to refer to its trackless electric vehicles. Throughout the period, trackless freight systems and electric canal boats were also built. From operations started, transport within the mine was performed using trackless machinery. The trackless dark ride Symbolica opens on July 1, 2017.