The Libero-Tarifverbund is a Swiss tariff network covering the canton of Bern and the southwestern part of the canton of Solothurn.
It was established in December 2004 from the merger of the Bäre-Abi and Frosch-Abo tariff networks.
[1] The Zig-Zag network merged into Libero in 2014.
With the merger of the Tarifverbund Berner Oberland [de] ("BeoAbo"), covering the Bernese Oberland, in December 2019, the network covers the entire canton of Bern.
[2] The network is divided into three types of zones:[3] Libero partners with 28 operators:[4]