Rail replacement bus services operate when there are service disruptions to the rail network during MRT/LRT operating hours.
MRT / LRT Bridging Buses
These bus services are activated only during an unplanned rail disruption. Rides are offered for free.
| Free Bridging Buses | ||
| Service | Description | Sector |
| 478 | East-West Line Free Bridging Bus | Pasir Ris – Tuas Link |
| TBC | Tanah Merah – Changi Airport | |
| 477 | North-South Line Free Bridging Bus | Jurong East – Marina South Pier |
| TBC | North-East Line Free Bridging Bus | HarbourFront – Punggol |
| 479 | Circle Line Free Bridging Bus | Dhoby Ghaut – HarbourFront |
| TBC | Promenade – Marina Bay | |
| TBC | Downtown Line Free Bridging Bus | Bukit Panjang – Expo |
| TBC | Thomson-East Coast Line Free Bridging Bus | Woodlands North – Gardens by the Bay |
| 476 | Bukit Panjang LRT Free Bridging Bus (LRT Bridging A & LRT Bridging B) |
LRT Shuttle A Choa Chu Kang – Bukit Panjang (Loop) via Senja LRT Shuttle B Choa Chu Kang – Bukit Panjang (Loop) via Petir |
| 470 | Sengkang LRT Free Bridging Bus (LRT Bridging West & LRT Bridging East) |
West Loop Sengkang – Thanggam (Loop) via Cheng Lim East Loop Sengkang – Bakau (Loop) via Ranggung |
| 471 | Punggol LRT Free Bridging Bus (LRT Bridging West & LRT Bridging East) |
West Loop Punggol – Punggol Point (Loop) East Loop Punggol – Riviera (Loop) via Damai |
Long Term Free Bridging Bus
| Service No. | Description | Dates Affected |
| 602 | Tuas Link – Joo Koon Free Bus Bridging Service | 16 – 19 Nov 2017 |
| 602 | Joo Koon – Gul Circle Free Shuttle Bus Service | 20 Nov 2017 – 26 May 2018 (Except on Sundays between 29 Apr – 27 May 2018) |
Ad-Hoc Shuttle Bus Services
During planned closures of the rail network (usually to facilitate additional engineering hours), Shuttle Bus Services are deployed to shuttle commuters between affected MRT Stations. These bus services charge regular distance-based fares based on the distance between MRT / LRT Stations by rail.
| Service | Description | Operating Period |
| 600 | Joo Koon – Bukit Gombak Bus Parallel Service | Sundays 05 Jun 2016 – 30 Oct 2016 |
| 601 | Lakeside – Joo Koon Bus Parallel Service | 14 & 21 Apr 2017 |
| 602 | Lakeside – Boon Lay Bus Parallel Service | 14 & 21 Apr 2017 |
| 603 | Tanah Merah – Changi Airport Bus Parallel Service (via Expo) | 28 Apr 2017 & 05 May 2017 (Cancelled on 05 May 2017) |
| 604 | Tanah Merah – Changi Airport Bus Parallel Service (Direct; Skips Expo) | 28 Apr 2017 & 05 May 2017 (Cancelled on 05 May 2017) |
| 609 | Downtown Line Shuttle Service (Bukit Panjang – Chinatown) |
Sundays 14 May 2017 – 27 Aug 2017 (Except 25 Jun 2017) |
| 476 | Bukit Panjang LRT Shuttle Service | Sundays 12 Nov 2017 – 31 Dec 2017 |
| 481 | Shuttle 1 Outram Park – Jurong East Shuttle Bus Service |
Fridays, Saturdays & Sundays 08 – 31 Dec 2017 |
| 483 | Shuttle 2 Jurong East – Joo Koon Shuttle Bus Service |
Fridays, Saturdays & Sundays 08 – 31 Dec 2017 |
| 485 | Shuttle 3 Joo Koon – Tuas Link Shuttle Bus Service |
Fridays, Saturdays & Sundays 08 – 31 Dec 2017 |
| 486 | Shuttle 4 Jurong East – Choa Chu Kang Shuttle Bus Service |
Fridays, Saturdays & Sundays 08 – 31 Dec 2017 |
| 492 | Express 5 Boon Lay – Outram Park Shuttle Bus Service |
Saturdays & Sundays 08 – 31 Dec 2017 |
| 487 | Shuttle 7 Aljunied – Pasir Ris Shuttle Bus Service |
Fridays, Saturdays & Sundays 05 – 28 Jan 2018 |
| 489 | Shuttle 8 Tanah Merah – Changi Airport Shuttle Bus Service |
Fridays, Saturdays & Sundays 05 – 28 Jan 2018 |
| 494 | Shuttle 11 Aljunied – MacPherson Shuttle Bus Service |
Fridays, Saturdays & Sundays 05 – 28 Jan 2018 |
| 495 | Express 12 Changi Airport – Bugis Shuttle Bus Service |
Fridays, Saturdays & Sundays 05 – 28 Jan 2018 |
| 481 | Shuttle 1 Buona Vista – Raffles Place Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 483 | Shuttle 2 Joo Koon – Buona Vista Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 485 | Shuttle 3 Tuas Link – Joo Koon Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 492 | Express 5 Boon Lay – Outram Park Shuttle Bus Service |
Saturdays & Sundays 03 Mar – 29 Apr 2018 |
| 476 | Bukit Panjang LRT Shuttle Service | Sundays 15 April 2018 – 28 Oct 2018 |
| 498 | Shuttle 6 Raffles Place – Paya Lebar Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 487 | Shuttle 7 Paya Lebar – Pasir Ris Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 489 | Shuttle 8 Tanah Merah – Changi Airport Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 495 | Express 12 Changi Airport – Bugis Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 491 | Express 13 Bedok – Bedok North Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 493 | Express 15 Clementi – Beauty World Shuttle Bus Service |
Fridays, Saturdays & Sundays 02 Mar – 29 Apr 2018, 12 & 14 Mar 2018 |
| 482 | Shuttle 9 Yishun – Newton Shuttle Bus Service |
Fridays, Saturdays & Sundays 04 May – 27 May 2018 |
| 484 | Express 16 Ang Mo Kio – Serangoon Shuttle Bus Service |
Fridays, Saturdays & Sundays 04 May – 27 May 2018 |
| 488 | Shuttle 10 Woodlands – Ang Mo Kio Shuttle Bus Service |
Fridays, Saturdays & Sundays 01 Jun – 01 Jul 2018, except 15, 16 & 17 Jun |
| 490 | Express 17 Woodlands – Bukit Panjang Shuttle Bus Service |
Fridays, Saturdays & Sundays 01 Jun – 01 Jul 2018, except 15, 16 & 17 Jun |
| 458 | Shuttle 11 Bukit Batok – Sembawang Shuttle Bus Service |
Fridays & Saturdays 06 Jul – 28 Jul 2018 |
| 483 | Shuttle 2 Buona Vista – Joo Koon Shuttle Bus Service |
Fridays, Saturdays & Sundays 03 Aug – 30 Sep 2018, except 10 – 12 Aug, 17 – 19 Aug & 14 – 16 Sep |
| 486 | Shuttle 4 Jurong East – Choa Chu Kang Shuttle Bus Service |
Fridays, Saturdays & Sundays 03 Aug – 30 Sep 2018, except 10 – 12 Aug, 17 – 19 Aug & 14 – 16 Sep |
| 492 | Express 5 Boon Lay – Buona Vista Shuttle Bus Service |
Saturdays & Sundays 04 Aug – 30 Sep 2018, except 11 – 12 Aug, 18 – 19 Aug & 15 – 16 Sep |
| 481 | Shuttle 1 Jurong East – Outram Park Shuttle Bus Service |
Fridays & Saturdays 05 Oct – 27 Oct 2018 |
| 485 | Shuttle 3 Tuas Link – Boon Lay Shuttle Bus Service |
Fridays & Saturdays 02 Nov – 24 Nov 2018 |
| 483 | Shuttle 2 Boon Lay – Buona Vista Shuttle Bus Service |
Fridays & Saturdays 30 Nov 2018, 07 – 15 Dec 2018 |
| 486 | Shuttle 4 Jurong East – Woodlands Shuttle Bus Service |
Fridays & Saturdays 30 Nov 2018, 07 – 15 Dec 2018 |
| 490 | Express 17 Woodlands – Bukit Panjang Shuttle Bus Service |
Fridays & Saturdays 30 Nov 2018, 07 – 15 Dec 2018 |
| 498 | Shuttle 6 Raffles Place – Bugis Shuttle Bus Service |
Fridays & Saturdays 04 Jan – 12 Jan 2019 |
| 602 | Shuttle 21 Serangoon – Punggol Shuttle Bus Service |
Fridays & Saturdays 04 Jan – 12 Jan 2019; 22 Feb – 23 Feb 2019; 01 Mar – 02 Mar 2019 |
| 602 | Shuttle 22 HarbourFront – Dhoby Ghaut Shuttle Bus Service |
Fridays & Saturdays 08 Mar – 30 Mar 2019 |
| 487 | Shuttle 6 Bugis – Tanah Merah Shuttle Bus Service |
Fridays & Saturdays 03 May – 11 May 2019; 31 May – 29 Jun 2019 |
| 488 | Shuttle 10 Woodlands – Yishun Shuttle Bus Service |
Saturday & Sunday 18 – 19 May 2019 |
| 488 | Shuttle 10 Woodlands – Ang Mo Kio Shuttle Bus Service |
Monday 20 May 2019 |
| 490 | Express 17 Woodlands – Bukit Panjang Shuttle Bus Service |
Saturday – Monday 18 – 20 May 2019 |
| 602 | Shuttle 21 Serangoon – Punggol Shuttle Bus Service |
Fridays & Saturdays 05 – 27 July 2019 |
| 458 | Shuttle 4 Jurong East – Woodlands Shuttle Bus Service |
Saturdays & Sundays 24 Aug – 1 Sep 2019 |
| 458 | Shuttle 4 Jurong East – Kranji Shuttle Bus Service |
Fridays & Saturdays 6 – 14 Sep 2019; 27 – 28 Sep 2019 |
| 481 | Shuttle 1 Jurong East – Outram Park Shuttle Bus Service |
Fridays & Saturdays 11 – 19 Oct 2019; 2 – 23 Nov 2019 |
| Shuttle 7 Tanah Merah – Pasir Ris Shuttle Bus Service |
Fridays & Saturdays 6 – 14 Dec 2019 |
|
| Shuttle 9 Ang Mo Kio – Newton Shuttle Bus Service |
Fridays & Saturdays 3 – 11 Jan 2020 |
|
| Shuttle 10 Canberra – Ang Mo Kio Shuttle Bus Service |
Fridays & Saturdays 7 Feb 2020 – 28 Mar 2020 |
|
| Shuttle 7 Aljunied – Tanah Merah Shuttle Bus Service |
3 & 4 Apr 2020 | |
| Shuttle 2 Buona Vista – Boon Lay Shuttle Bus Service |
Cancelled | |
| Shuttle 4 Jurong East – Choa Chu Kang Shuttle Bus Service |
Cancelled | |
| Shuttle 3 Boon Lay – Tuas Link Shuttle Bus Service |
14, 21 & 28 March 2021 4, 11 & 18 April 2021 |
|
| Shuttle 3 Joo Koon – Tuas Link Shuttle Bus Service |
25 April 2021 2, 9, 16 & 23 May 2021 |
|
| Shuttle 21 Serangoon – Punggol Shuttle Bus Service |
9, 10, 16 & 17 April 2021 | |
| Shuttle 22 HarbourFront – Dhoby Ghaut Shuttle Bus Service |
23 & 24 April 2021 | |
| Shuttle 51 Woodlands North – Caldecott Shuttle Bus Service |
4, 5, 11, 18, 19, 25, 26 November 2023 2, 3, 9, 10, 16, 17, 23, 24, 30, 31 December 2023 6, 7, 13, 14, 20, 21, 27, 28 January 2024 |
|
| Shuttle 52 Caldecott – Outram Park Shuttle Bus Service |
4, 5, 11, 18, 19, 25, 26 November 2023 2, 3, 9, 10, 16, 17, 23, 24, 30, 31 December 2023 6, 7, 13, 14, 20, 21, 27, 28 January 2024 |
|
| Express 31 Kent Ridge – HarbourFront Shuttle Bus Service |
Weekdays (except Public Holidays) 22 January 2024 – 5 April 2024 |
|
| Shuttle 21 Punggol – Serangoon Shuttle Bus Service |
30 June 2024 7, 14 & 21 July 2024 |
|
| Shuttle 22 Serangoon – HarbourFront Shuttle Bus Service |
30 June 2024 7, 14 & 21 July 2024 |
|
| Shuttle 7 Tampines – Tanah Merah Shuttle Bus Service |
7 – 10 December 2024 |
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