De Lijn selects CAF as preferred bidder for supply of trams; selection challenged November 1, 2016 | Europe News Belgian public transport company, De Lijn, has selected Spain-based Construcciones y Auxiliar de Ferrocarriles (CAF) as the preferred bidder to supply 146 low-floor trams. Of the total trams, 62 will ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password