History of Services 450 - 456

Service 450

Operator	Route	Year	Date	Service changes
	Jurong ↺ Pasir Laba Rd	1978	3 June	Introduced between Jurong Int and Pasir Laba Rd (Loop), operating during Saturday afternoons and during the night on Sundays and Public Holidays.
	Jurong ↺ Pasir Laba Rd	1990	1 July	Discontinued.

Operator	Route	Year	Date	Service changes
(Current)	AMKeat Hong Lk → Bt Batok West Ave 5 PMBt Batok West Ave 5 → Keat Hong Lk	2025	17 November	To be introduced between Keat Hong Lk (Opp Blk 816A) and Bt Batok West Ave 5 (Bt Gombak Stn) during morning peak hours and between Bt Batok West Ave 5 (Bt Gombak Stn) and Keat Hong Lk (Blk 816B) during evening peak hours as a peak hour one-directional service on weekdays replacing Short-Trip 991C under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.

Operator	Route	Year	Date	Service changes
(Current)	AMTengah → Jln Jurong Kechil PMJln Jurong Kechil → Tengah	2025	17 November	To be introduced between Tengah Int and Jln Jurong Kechil (Beauty World Stn Exit C) during morning peak hours and between Jln Jurong Kechil (Beauty World Stn Exit C) and Tengah Int during evening peak hours as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.

Operator	Route	Year	Date	Service changes
(Current)	AMTengah → Bukit Batok PMBukit Batok → Tengah	2025	17 November	To be introduced between Tengah Int and Bukit Batok Int during morning peak hours and between Bukit Batok Int and Tengah Int during evening peak hours as a peak hour one-directional service on weekdays under the LTA's Bus Connectivity Enhancement Programme (BCEP). Wheelchair-accessible bus service (WAB) at launch.