History of Rail Bridging Services
Shuttle 21 
| Operator | Service Gen | Year | Date | Service changes |
|---|---|---|---|---|
| Template:SBS Transit Template:SMRT Buses |
1st Gen (Jan 19/Feb 19) |
2018 | 17 Dec | Route announced for Early Closure of the North East Line. |
| 2019 | 4 Jan | Introduced between Serangoon and Punggol station. Wheelchair-accessible at launch. | ||
| 3 Mar | Withdrawn. | |||
| TBC | 2nd Gen (Jul 19) |
21 Jun | Route announced Early Closure of the North East Line. | |
| 5 Jul | To be re-introduced between Serangoon and Punggol station. Wheelchair-accessible at launch. | |||
| 28 Jul | To be withdrawn. |
Shuttle 22
| Operator | Service Gen | Year | Date | Service changes |
|---|---|---|---|---|
| Template:SBS Transit | 1st Gen (Mar 19) |
2019 | 25 Feb | Route announced for Early Closure of the North East Line. |
| 8 Mar | Introduced between HarbourFront and Dhoby Ghaut station. Wheelchair-accessible at launch. | |||
| 31 Mar | Withdrawn. |