Service 991 – SMRT Buses MAN NL323F (SG1754P) Service 991 – SMRT Buses MAN NL323F (SG1754P) Service 991 – SMRT Buses MAN NL323F (SG1754P)
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works