Bus 188 – SMRT Buses Alexander Dennis Enviro500 (SG5707A) Bus 188 – SMRT Buses Alexander Dennis Enviro500 (SG5707A) Bus 188 – SMRT Buses Alexander Dennis Enviro500 (SG5707A)
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works