Simferopol – Alushta opened 6 November 1959. Alushta – Yalta opened July 1961. World's longest trolleybus line, 86.7 km (53.7 mi). See Crimean Trolleybus.
Operation suspended due to extensive artillery damage to the depot and rolling stock, sustained at the start of the Battle of Bakhmut. Reopening uncertain.
Trolleybus line from Donetsk extended to Makiivka on 7 November 1960, however no connection exists between the Donetsk and Makiivka trolleybus systems.
Operation suspended due to extensive damage sustained during the Siege of Mariupol. A few undamaged trolleybuses continue to operate in battery-only mode with charging in the depot.
Originally built in 1941, and trolley coaches were bought just before World War II started. But due to war hardships, the system was not able to be opened until 1945.
Peschkes, Robert. 1987. "World Gazetteer of Tram, Trolleybus and Rapid Transit Systems, Part Two: Asia & USSR /Africa/Australia" (ISBN0-948619-00-7). London: Rapid Transit Publications.
"Straßenbahnatlas ehem. Sowjetunion / Tramway Atlas of the former USSR" (ISBN3-926524-15-4). 1996. Berlin: Arbeitsgemeinschaft Blickpunkt Straßenbahn, in conjunction with Light Rail Transit Association, London.
Trolleybus Magazine (ISSN 0266-7452). National Trolleybus Association (UK). Bimonthly.