The line serves an important purpose as it goes through the Lausanne campus, making it a crucial transport method for students accessing their university.

The line operates between Lausanne-Flon and Renens VD, bypassing Lausanne railway station.

[3] In order to accommodate the new trains, the depot at Ecublens has been enlarged and additional servicing facilities built.

Exceptions to this are Bassenges, UNIL-Sorge and Provence stations, where the line is still single track serving one bidirectional platform.

The modern tram route is completely on segregated rail track, with both underground and elevated sections.