Plovdiv Bulgaria with the Trakia motorway (A1) only to the north. It lies on the important national route from Sofia to Burgas via Stara Zagora. First-class roads lead to Sofia to the west, Karlovo to the north, Asenovgrad, Kardzhali to the south, and Stara Zagora and Haskovo to the east. There are intercity buses which link Plovdiv with cities and towns all over the country and many European countries. They are based in three bus stations: South, Rodopi, and North. Railway transport in the city dates back to 1872 when it became a station on the Lyubimets–Belovo railway line. There are
Plovdiv Arts; and others. The 2009 International Olympiad in Informatics (IOI) was held at the University of Plovdiv "Paisiy Hilendarski", between 8 and 15 August 2009. The 2009 IOI Honorary Patron was Bulgarian President Georgi Parvanov. Between 1875 and 1906, the Zariphios School was one of the local Greek educational institutions that provided elementary and secondary education. Plovdiv Sports Complex consists of Plovdiv Stadium with several additional football fields, tennis courts, swimming pools, a rowing base with a 2 km-long channel, restaurants, and cafés in a spacious park in the western part of the city just south of the Maritsa river.