The bus network There are : 6 main lines in Brest, 3 secondary lines Brest (tram replacement, Noctybus, blue route) 10 lines throughout the towns of Brest métropole, 7 lines to the various business parks (naval base, tropical greenhouse, etc..) 7 school lines to the establishments in Brest, 20 school lines to the establishments in the towns of Brest métropole 7 on demand transport In total, there are 59 lines to be able to get around the 8 towns of the urban community !