Trolleybuses in Plovdiv Trolleybuses in Plovdiv The Plovdiv trolleybus system () was a part of the public transport network of the city and municipality of Plovdiv, the second most populous city in Bulgaria. Opened in December 1955, the system had waxed and waned in size over time. As of the beginning of 2012, it was made up of only one route. There are current disputes between the operator and the municipality regarding the validity of the trolleybus contract. Gradski Transport Plovdiv is still the operator of this type of transport, despite the numerous infractions of the contract since 2010. In October 2012, because
Plovdiv English Language School, the High School of Mathematics, the Ivan Vazov Language School, the National Schools of Commerce Plovdiv, the English Academy, the Academy of Music, Dance and Fine Arts Plovdiv, and the French High School of Plovdiv. The city has six universities and a number of state and private colleges and branches of other universities. Those include Plovdiv University, with 900 lecturers and employees and 13,000 students; the Plovdiv Medical University, with 2,600 students; the Medical College; the Technical University of SofiaBranch Plovdiv; the Agricultural University Plovdiv; the University of Food Technologies; the Academy for Music, Dance and Fine