VDL to supply 143 buses to RET, Netherlands October 27, 2018 | Europe News VDL Bus & Coach has secured a contract from Rotterdamse Elektrische Tram (RET), public transport operator in Rotterdam, to supply 103 VDL Citeas SLE-120 Hybrid and 40 VDL Citeas LLE-120 diesel bus... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password