1: The metro by TMB
The Barcelona Metro is an extensive network of rapid transit electrified railway lines that run mostly underground in central Barcelona and into the city’s suburbs. It is part of the larger public transport system of Barcelona, the capital of Catalonia, with unified fares under the Autoritat del Transport Metropolità (ATM) scheme.
As of 2014, the network is operated by two separate companies: Transports Metropolitans de Barcelona (TMB) and Ferrocarrils de la Generalitat de Catalunya (FGC).
It is made up of 12 lines, combining the lines owned by the two companies. Two lines, L9 and L10 are being built at present, with both lines having different sections of each opened between 2009 and 2016.
They are due to be fully completed on 2026. Three lines on the network have opened as automatic train operation/driverless vehicle systems since 2009: Line 11, Line 9 and Line 10, in chronological order. Network length is 166 kilometres, with 198 stations, as of June 2019.
2: The metro by FGC
The metro trains by FGC are predominantly white and orange. They are recognizable by their S-brand. Similar to Switzerland, Belgium and Berlin.
3: The tram
Historically Barcelona had a large tramway network. The city’s first tram line opened in 1872, but almost all of these historic lines had closed by 1971, being replaced by buses and by the expanding Barcelona Metro. The one remaining line, the Tramvia Blau, was retained as tourist attraction, utilising historic rolling stock. However at the beginning of the 21st century, two new tram systems, the Trambaix and Trambesòs, opened in the suburbs of the city.
Tramvia Blau is operated by TMB, Tranbaix and Trambesòs are operated by TramMet.
4: Three funiculars
5: The Montjuïc Cable Car
The Montjuïc Cable Car, or Telefèric de Montjuïc, is a gondola lift. The cable car runs from a lower terminus adjacent to the Montjuïc Park upper station of the Montjuïc funicular, and climbs higher up the Montjuïc hill to a terminal near the Montjuïc Castle on the summit of the hill. At its midpoint, the line executes a 90 degree turn and the cabins pass through Mirador station, although only down-bound cabins stop at this point.
Buses go where trams, metro trains, other trains, funiculars and the Telefèric don’t go. There are several types of buses. ‘Regular’ buses, small barri or neighbourhood buses, night buses and the Aerobús to Barcelona-El Prat Josep Tarradellas Airport.
Facts and figures from Wikipedia.