Bus 188 – SMRT Buses Mercedes-Benz OC500LE (SMB104U) Bus 188 – SMRT Buses Mercedes-Benz OC500LE (SMB104U) Bus 188 – SMRT Buses Mercedes-Benz OC500LE (SMB104U)
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works