SMRT Mercedes-Benz O405 (TIB609C) – Premium Service 590 SMRT Mercedes-Benz O405 (TIB609C) – Premium Service 590 SMRT Mercedes-Benz O405 (TIB609C) – Premium Service 590
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works