The two major lines are connected in the city center close to the Alana park.

[3] The next delivery of new vehicles occurred 22 years later in 2009, when 6 low-floor trolleybuses were delivered by the Ukrainian Lviv Bus Factory.

[4] In 2014 Stara Zagora received 8 brand new Škoda Solaris 26Tr trolleybuses as part of a joint order with the municipalities of Burgas, Varna and Pleven sponsored by a European Union program.

[5] The older Škoda and ZiU trolleybuses were scrapped except for one unit of each type which were purchased for preservation in Sofia.

The newer LAZ trolleybuses were withdrawn and are stored in the depot awaiting disposition.