![My first transit diagram, of Metro do Porto, the light rail that serves the city of Porto and surronding areas. Based on diagrams used by Metro do Porto, plus the southern extension My first transit diagram, of Metro do Porto, the light rail that serves the city of Porto and surronding areas. Based on diagrams used by Metro do Porto, plus the southern extension](https://i.redd.it/ucwyjhf1l0m61.png)
My first transit diagram, of Metro do Porto, the light rail that serves the city of Porto and surronding areas. Based on diagrams used by Metro do Porto, plus the southern extension
![Porto - mapa del metro | Mapa detallado de la metropolitana de Porto, Portugal para imprimir o descargar | Carte du métro, Porto, Carte Porto - mapa del metro | Mapa detallado de la metropolitana de Porto, Portugal para imprimir o descargar | Carte du métro, Porto, Carte](https://i.pinimg.com/474x/eb/ac/95/ebac959c749240d557de7a2657fe813a.jpg)
Porto - mapa del metro | Mapa detallado de la metropolitana de Porto, Portugal para imprimir o descargar | Carte du métro, Porto, Carte
![Porto light rail extension agreed as expansion plan announced | Metro Report International | Railway Gazette International Porto light rail extension agreed as expansion plan announced | Metro Report International | Railway Gazette International](https://d1c4d7gnm6as1q.cloudfront.net/Pictures/480xany/0/4/1/61041_metrodoportophotobz2_576071.jpg)
Porto light rail extension agreed as expansion plan announced | Metro Report International | Railway Gazette International
![Metro do Porto on X: "#throwback2003 Há 19 anos iniciava-se a construção da Linha Amarela, baptizada como «a linha das linhas», que hoje funciona desde o Hospital S. João a St.º Ovídio. Metro do Porto on X: "#throwback2003 Há 19 anos iniciava-se a construção da Linha Amarela, baptizada como «a linha das linhas», que hoje funciona desde o Hospital S. João a St.º Ovídio.](https://pbs.twimg.com/media/FPG3jaOX0AEXVmr.png)