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 railway lines to Sofia, Panagyurishte, Karlovo, Peshtera, Stara Zagora, Dimitrovgrad, and Asenovgrad. There are three railway stations: Plovdiv Central, Trakia, and Filipovo as well as a freight station. Plovdiv has a large public transport system including around 29 main and 10 extra bus lines. However, there are no trams in the city, and the Plovdiv trolleybus system was closed in autumn 2012. Six bridges span the Maritsa river including a railway bridge and a covered bridge. There are important road junctions to the south, southwest, and north. Plovdiv has a well-developed cycling infrastructure which covers almost all districts of the