Vilnius has a well-developed public transportation system; 45% of the population take public transport to work. There are over 60 bus and 20 trolleybus routes, the trolleybus network is one of the most extensive in Europe. Over 250 buses and 260 trolleybuses transport about 500,000 passengers every workday. Students, elderly, and the disabled receive large discounts (up to 80%) on the tickets. The first regular bus routes were established in 1926, and the first trolleybus were introduced in 1956.