The Krymskiy trolleybus is the longest trolleybus line in the world that was built in 1959 and measures 86 kilometres (53 mi) long.
Crimean Trolleybus Line (Russian:  , romanized: Krymskiy trolleybus; Ukrainian:  , romanized: Kryms'kyi troleibus; Crimean Tatar: Qrm trolleybus) in Crimea is the longest trolleybus line in the world. It is 86 kilometres (53 mi) long, between the capital of Crimea, Simferopol, and the coastal city of Yalta on the Black Sea. It opened in two parts: SimferopolAlushta in 1959 and AlushtaYalta in 1961. 
