The network is composed of several bus operating companies: Transdev Portugal, SA; Rodoviária do Tejo SA; Barraqueiro Transportes, SA (including Rodoviária do Alentejo, SA; Eva Transportes, SA) among others; Rodoviária da Beira Interior, SA among others. The network is the spiritual successor of the intercity express services created in the late 1970s by Rodoviária Nacional.
The network is composed of several bus companies: Transdev Portugal, SA; Rodoviária do Tejo SA; Barraqueiro Transportes, SA (including Rodoviária do Alentejo, SA; Eva Transportes, SA) and others; Rodoviária da Beira Interior, SA among others. The network is the successor to intercity express services launched in the late 1970s by Rodoviária Nacional.