SMRT Mercedes-Benz Citaro (SMB165T) – Premium 531 SMRT Mercedes-Benz Citaro (SMB165T) – Premium 531 SMRT Mercedes-Benz Citaro (SMB165T) – Premium 531
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works