The LRVs must have a low-floor area occupying at least 70% of the floor area with a height of 360mm reducing to 300mm at the entrances. There must at least five doors in the low-floor area and up to eight doors per vehicle.
The multi-section LRVs will have a maximum length of 37m and will be 2.3m wide. The minimum contact wire height in Nuremberg is 3.8m, while the minimum curve radius is 18m.
VAG does not permit multi-articulated vehicles on its network, and prohibits the use of bonded vehicle roofs.
The vehicles will have a maximum speed of 70km/h and up to two units can operate in multiple.