A train of this line runs on the track running on streets near Hamaotsu Station, and it's the only case in Japan where a four-car train operates on track running on streets and directly runs into the subway line (which is permitted as an exceptional case).
浜大津駅付近は併用軌道となっており、4両編成もの電車が併用軌道区間を走り地下鉄へ乗り入れるというのは日本全国でここだけである（特例として認可）。