[Jan – Mar 2019] Shuttle 21 (Serangoon – Punggol) Departure Timings from Stations [Jan – Mar 2019] Shuttle 21 (Serangoon – Punggol) Departure Timings from Stations [Jan – Mar 2019] Shuttle 21 (Serangoon – Punggol) Departure Timings from Stations
17 May 2024 - 31 October 2025 Bus Service Diversion for Early Closure of Jurong West Avenue 4 for JRL Works