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Dumping tram line ideas for Barcelona. These would be trunk lines, and within that infrastructure there could be additional combined lines.
Line on Gran Via thoroughfare. It would replace the heavily used H12 bus. The part to the right of Glòries square (where the big three thoroughfares meet) already has tram infrastructure, the tram runs in a tunnel below ground (was built together with the below-ground highway, it's not really a tunnel but rather the whole thing was built over).
