Line b features

 Trips per day 113,000
 Total length 14km
 Commercial length 13km
 Deept tunnel 8.6km
 Cut-and-cover tunnel 2.4km
 Viaduct 2.4km
 Total of stations 15
 Relay car parks 3
 Relau car parks lots 2,000
 Expected cost (value of 2010) 1,194M€ HT