SMRT Buses MAN A22 (SMB1640G) – Service 189A SMRT Buses MAN A22 (SMB1640G) – Service 189A SMRT Buses MAN A22 (SMB1640J) – Service 189A
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works