The project includes two double track lines, except for a section with single track in Plaça de les Glòries. The Trambesós network has a total of 28 stations, 11 of which link to metro and suburban rail stations. The fleet consists of eighteen 32.5-m long carriages with a capacity for 230 passengers. The contract also includes a building to house its facilities.
Nearly the entire line runs through the downtown core of Barcelona, Spain's second-largest city and one of the most densely populated cities in Europe. The line is completely integrated with Barcelona's public transportation network.
The project involves the design, construction, financing, operation and maintenance as well as the provision of the rolling stock. Payments are based on an availability mechanism until it is turned back over in 2032. The project is currently operational, since construction was completed in 2008.