Oporto trams

There are three traditional tram routes in Oporto:
1 Infante to Passeio Alegre 12:30 - 18:00 every 30 mins operated by 2 trams
18 Massarelos to Carmo 9:30 - 19:00 every 30 mins operated by 1 tram
22 Carmo to Batalha 9:30 - 19:00 operated by 1 tram.
1. Service 1 Infante with a service car, a tourist sightseeing car and a stationar booking office.
2. Service 1 Passeio Alegre. The riverside line is now a roadside single track with several passing loops where the trams keep left.
3. Service 18 Massarelos with a 1 in the background.
4. Service 18 Carmo.
5. Service 22 Carmo.
6. Service 22 Batalha.