History of SMRT Bus Parallel Services
Service BPS1 (2011 - 2019) 
| Operator | Route | Year | Date | Service changes |
|---|---|---|---|---|
|
Segar Rd → Choa Chu Kang (AM) (2011 - 2015) |
2011 | 24 October | Introduced between Segar Rd and Choa Chu Kang Int as a peak hour one-directional Bt Panjang LRT (BPLRT) supplementary service during weekday mornings. |
| Segar Rd → Choa Chu Kang (AM) Choa Chu Kang Ave 4 → Segar Rd (PM) (2015 - 2019) |
2015 | 21 September | Extended to operate between Choa Chu Kang Ave 4 and Segar Rd during weekday evenings. | |
| 2017 | 17 September | Designated wheelchair-accessible bus service (WAB). 
| ||
| 2018 | 16 December | Amended to terminate at new Choa Chu Kang Int. | ||
| 2019 | 10 November | Discontinued with the introduction of Service 976. |