Catanary Free Tram BCN

Connecting Barcelona’s previously separated tram lines along Avinguda Diagonal was never just a transport project. It was politically contested and, in the end, also shaped by a design choice: keeping the boulevard visually clean. Opposition to overhead wires along the redesigned Diagonal corridor pushed the city toward a catenary-free solution in key sections. This ground-level power supply is more complex and typically more expensive than standard overhead catenary, which is exactly why it is only applied on this sensitive stretch. Outside it, the tram largely continues with conventional ov…