991Bus 991Bt Batok Int ↔ Choa Chu Kang Int
Between Bt Batok Int and Choa Chu Kang Int. 52 stops, run by SMRT Buses. On weekdays the first bus leaves Bt Batok Int at 5:30 am and the last at 1:00 am.
NS2NS3BP1NS44 MRT/LRT connections
Bus 991 towards Choa Chu Kang Int26 stops
| # | Stop | Weekdays | Saturday | Sunday |
|---|---|---|---|---|
| 1 | Bt Batok Int | 5:30 am – 1:00 am | 5:30 am – 1:00 am | 5:30 am – 1:00 am |
| 2 | Aft Bt Batok Stn/Blk 628 | 5:31 am – 1:01 am | 5:31 am – 1:01 am | 5:31 am – 1:01 am |
| 3 | Bt Batok Polyclinic | 5:32 am – 1:03 am | 5:32 am – 1:02 am | 5:32 am – 1:02 am |
| 4 | Opp Blk 144 | 5:34 am – 1:04 am | 5:34 am – 1:04 am | 5:34 am – 1:04 am |
| 5 | Opp Bt Batok Presby Ch | 5:35 am – 1:05 am | 5:35 am – 1:05 am | 5:35 am – 1:05 am |
| 6 | Princess E Pr Sch | 5:36 am – 12:07 am | 5:36 am – 12:06 am | 5:36 am – 12:06 am |
| 7 | Dulwich College | 5:37 am – 12:08 am | 5:37 am – 12:07 am | 5:37 am – 12:07 am |
| 8 | Bef Blk 440A | 5:38 am – 12:09 am | 5:38 am – 12:08 am | 5:38 am – 12:08 am |
| 9 | Blk 438A | 5:39 am – 12:10 am | 5:39 am – 12:09 am | 5:39 am – 12:09 am |
| 10 | Opp Blk 465A | 5:41 am – 12:11 am | 5:41 am – 12:11 am | 5:41 am – 12:11 am |
| 11 | Opp Blk 532 | 5:43 am – 12:13 am | 5:43 am – 12:13 am | 5:43 am – 12:13 am |
| 12 | Opp Bt Gombak Stn | 5:45 am – 12:15 am | 5:45 am – 12:15 am | 5:45 am – 12:15 am |
| 13 | Blk 347 | 5:46 am – 12:16 am | 5:46 am – 12:16 am | 5:46 am – 12:16 am |
| 14 | Bt Batok Driving Ctr | 5:47 am – 12:17 am | 5:47 am – 12:17 am | 5:47 am – 12:17 am |
| 15 | Opp Blk 805D | 5:49 am – 12:19 am | 5:49 am – 12:19 am | 5:49 am – 12:19 am |
| 16 | Aft Choa Chu Kang Ave 6 | 5:51 am – 12:21 am | 5:51 am – 12:21 am | 5:51 am – 12:21 am |
| 17 | Opp Blk 485A | 5:52 am – 12:21 am | 5:51 am – 12:21 am | 5:51 am – 12:21 am |
| 18 | Blk 464 | 5:55 am – 12:24 am | 5:54 am – 12:24 am | 5:54 am – 12:24 am |
| 19 | Blk 293 | 5:56 am – 12:26 am | 5:56 am – 12:26 am | 5:56 am – 12:26 am |
| 20 | Blk 296A | 5:57 am – 12:26 am | 5:56 am – 12:26 am | 5:56 am – 12:26 am |
| 21 | Choa Chu Kang Mkt | 5:30 am – 12:28 am | 5:45 am – 12:28 am | 5:45 am – 12:28 am |
| 22 | Blk 816B | 5:32 am – 12:30 am | 5:47 am – 12:30 am | 5:47 am – 12:30 am |
| 23 | Sol Acres Condo | 5:34 am – 12:32 am | 5:49 am – 12:32 am | 5:49 am – 12:32 am |
| 24 | Blk 204 | 5:37 am – 12:35 am | 5:52 am – 12:35 am | 5:52 am – 12:35 am |
| 25 | Aft Blk 202 | 5:38 am – 12:36 am | 5:53 am – 12:36 am | 5:53 am – 12:36 am |
| 26 | Choa Chu Kang Int | 5:42 am – 12:40 am | 5:57 am – 12:40 am | 5:57 am – 12:40 am |
Bus 991 towards Bt Batok Int26 stops
| # | Stop | Weekdays | Saturday | Sunday |
|---|---|---|---|---|
| 1 | Choa Chu Kang Int | 5:30 am – 12:55 am | 5:45 am – 12:55 am | 5:45 am – 12:55 am |
| 2 | Lot 1/Choa Chu Kang Stn | 5:32 am – 12:57 am | 5:47 am – 12:57 am | 5:47 am – 12:57 am |
| 3 | Opp Blk 210 | 5:33 am – 12:58 am | 5:48 am – 12:58 am | 5:48 am – 12:58 am |
| 4 | Opp Blk 203 | 5:35 am – 1:00 am | 5:50 am – 1:00 am | 5:50 am – 1:00 am |
| 5 | Opp Blk 816A | 5:38 am – 1:03 am | 5:53 am – 1:03 am | 5:53 am – 1:03 am |
| 6 | Opp Choa Chu Kang Mkt | 5:41 am – 12:11 am | 5:56 am – 12:11 am | 5:56 am – 12:11 am |
| 7 | Opp Blk 296A | 5:42 am – 12:12 am | 5:57 am – 12:12 am | 5:57 am – 12:12 am |
| 8 | Sunshine Pl | 5:43 am – 12:13 am | 5:58 am – 12:13 am | 5:58 am – 12:13 am |
| 9 | Opp Blk 464 | 5:45 am – 12:14 am | 6:00 am – 12:14 am | 6:00 am – 12:14 am |
| 10 | Blk 485B | 5:46 am – 12:15 am | 6:01 am – 12:15 am | 6:01 am – 12:15 am |
| 11 | Blk 804B | 5:48 am – 12:17 am | 6:04 am – 12:17 am | 6:03 am – 12:17 am |
| 12 | Blk 805D | 5:49 am – 12:18 am | 6:05 am – 12:18 am | 6:04 am – 12:18 am |
| 13 | Opp Bt Batok Driving Ctr | 5:51 am – 12:20 am | 6:08 am – 12:20 am | 6:07 am – 12:20 am |
| 14 | Opp Blk 347 | 5:53 am – 12:22 am | 6:10 am – 12:22 am | 6:09 am – 12:22 am |
| 15 | Bt Gombak Stn | 5:55 am – 12:24 am | 6:12 am – 12:24 am | 6:11 am – 12:24 am |
| 16 | Blk 531 | 5:56 am – 12:25 am | 6:13 am – 12:25 am | 6:11 am – 12:25 am |
| 17 | Blk 467 CP | 5:59 am – 12:27 am | 6:15 am – 12:27 am | 6:14 am – 12:27 am |
| 18 | Blk 464A | 6:00 am – 12:29 am | 6:17 am – 12:29 am | 6:15 am – 12:29 am |
| 19 | Blk 461 | 6:02 am – 12:30 am | 6:18 am – 12:30 am | 6:16 am – 12:30 am |
| 20 | Millennia Institute | 6:04 am – 12:32 am | 6:20 am – 12:32 am | 6:18 am – 12:32 am |
| 21 | Opp Princess E Pr Sch | 5:30 am – 12:33 am | 5:30 am – 12:33 am | 5:30 am – 12:33 am |
| 22 | Blk 148 | 5:32 am – 12:35 am | 5:32 am – 12:35 am | 5:32 am – 12:35 am |
| 23 | Blk 146 | 5:33 am – 12:36 am | 5:33 am – 12:36 am | 5:33 am – 12:36 am |
| 24 | Opp Blk 122 | 5:35 am – 12:38 am | 5:35 am – 12:38 am | 5:35 am – 12:38 am |
| 25 | Opp Blk 628 | 5:37 am – 12:40 am | 5:37 am – 12:40 am | 5:37 am – 12:40 am |
| 26 | Bt Batok Int | 5:40 am – 12:43 am | 5:40 am – 12:43 am | 5:40 am – 12:43 am |
First and last bus are LTA's scheduled times at each stop, so they get later along the route. Sunday times also apply on public holidays. Live arrival times are on each stop's page. Data updated 2026-09-13.