Bus Service 21A – Mercedes-Benz Citaro (SBS6166S) Bus Service 21A – Mercedes-Benz Citaro (SBS6166S) Bus Service 21A – Mercedes-Benz Citaro (SBS6166S)
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works