"On the night of December 31st, the Metropolitano de Lisboa will circulate with compositions of 6 carriages on all lines until 1:00am on January 1st, the closing time for the public", according to a statement reported by Notícias ao Minuto.

The company adds that "it will resume normal operating service at 6:30 am on January 1, 2023".

Terreiro do Paço station (Blue line) closes earlier, "due to the festivities scheduled for Praça do Comércio", and reopens at 6:30 am on January 1st.

"As an alternative to the Terreiro do Paço station, the Cais do Sodré or Baixa Chiado stations (Green line) can be used, which will be open until 1:00 am from December 31 to January 1".