The Blue Line (Portuguese: Linha Azul) or Seagull Line (Portuguese: Linha da Gaivota) is one of the four lines of Lisbon Metro.

It is the only line of the Lisbon Metro entirely underground, without any viaduct.

07:00 - 07:30 07:30 - 09:30 09:30 - 10:00 10:00 - 16:30 16:30 - 19:00 19:00 - 20:00 20:00 - 20:30 20:30 - 22:30 22:30 - 01:05 06' 45' 05' 45' 06' 15' 07' 25' 05' 45' 06' 45' 07' 25' 08' 05' 10' 45' 07:00 - 07:30 07:30 - 09:30 09:30 - 10:00 10:00 - 16:30 16:30 - 19:00 19:00 - 20:00 20:00 - 20:30 20:30 - 21:00 21:00 - 21:30 21:30 - 22:30 22:30 - 01:05 06' 10' 04' 55' 05' 15' 06' 40' 05' 15' 06' 10' 06' 40' 07' 20' 08' 15' 08' 05' 10' 45' 08:30 - 09:30 09:30 - 10:30 10:30 - 11:30 11:30 - 19:30 19:30 - 22:30 22:30 - 01:05 08' 05' 08' 00' 08' 05' 08' 10' 08' 00' 10' 40' 08:30 - 09:30 09:30 - 10:30 10:30 - 11:30 11:30 - 19:30 19:30 - 22:30 22:30 - 01:05 08' 05' 08' 00' 08' 05' 08' 10' 08' 00' 10' 40' Media related to Linha Azul (Lisbon Metro) at Wikimedia Commons

Source for IP's network: www.refer.pt/Documentos/Directorio_da_Rede_2010.pdf, page.

54 See also: Rolling stock of Portugal