Go-Ahead Ireland Route W4: The Square - Blanchardstown SC

Bus timetable and route map · Monday to Friday, Saturday, Sunday

Go-Ahead Ireland Route W4 (The Square - Blanchardstown SC) is a bus route in the Dublin suburbs and commuter towns, serving Blanchardstown SC, Liffey Valley SC, Pfizer, Tallaght Square and Ballyowen Road. Monday to Friday the first bus is at 05:30 and the last at 23:30, every 15 min during the day. Updated 4 October 2026.

Timetable summary

Monday to Friday

First: 05:30
Last: 23:30
Buses: 92
Daytime: every 15 min

Saturday

First: 05:30
Last: 23:30
Buses: 66
Daytime: every 30 min

Sunday

First: 07:30
Last: 23:30
Buses: 60
Daytime: every 30 min

Timetable change: Go-Ahead Ireland’s timetable changes on 24 October 2026. The times below are for the current timetable.

Route W4 to Tallaght Square

Destination sign “The Square” · from Blanchardstown SC · 31 stops

Monday to Friday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

Blanchardstown SC	Liffey Valley SC	The Penny Hill	Pfizer	Brownsbarn Orch	Tallaght Square
05:30	05:39	05:46	05:53	06:01	06:12
06:00	06:11	06:20	06:29	06:38	06:52
06:30	06:42	06:51	07:01	07:11	07:24
06:45	06:59	07:07	07:16	07:25	07:39
07:00	07:14	07:23	07:32	07:42	07:57
07:15	07:31	07:39	07:50	08:00	08:14
07:30	07:46	07:54	08:05	08:14	08:29
07:45	08:01	08:09	08:20	08:29	08:43
08:00	08:16	08:25	08:36	08:45	08:59
08:15	08:30	08:39	08:51	08:59	09:14
08:30	08:46	08:55	09:05	09:14	09:29
09:00	09:12	09:20	09:28	09:36	09:49
09:30	09:42	09:49	09:57	10:05	10:17
10:00	10:12	10:19	10:26	10:34	10:47
10:30	10:41	10:48	10:56	11:04	11:17
11:00	11:12	11:19	11:27	11:36	11:50
11:30	11:42	11:49	11:57	12:06	12:20
12:00	12:13	12:21	12:29	12:38	12:53
12:30	12:43	12:51	12:59	13:08	13:23
13:00	13:13	13:21	13:30	13:39	13:55
13:30	13:44	13:53	14:02	14:11	14:27
14:00	14:14	14:23	14:32	14:42	14:57
14:30	14:44	14:54	15:04	15:14	15:29
14:45	14:59	15:08	15:18	15:29	15:44
15:00	15:14	15:23	15:32	15:41	15:56
15:15	15:29	15:37	15:48	15:58	16:13
15:30	15:43	15:51	16:00	16:12	16:28
15:45	15:59	16:09	16:18	16:28	16:43
16:00	16:15	16:24	16:33	16:43	16:59
16:15	16:30	16:39	16:48	16:58	17:14
16:30	16:44	16:52	17:00	17:10	17:29
16:45	17:01	17:10	17:19	17:29	17:44
17:00	17:16	17:26	17:34	17:44	18:00
17:15	17:31	17:41	17:51	18:00	18:15
17:30	17:45	17:54	18:03	18:13	18:27
18:00	18:13	18:21	18:29	18:37	18:51
18:30	18:43	18:51	18:59	19:08	19:21
19:00	19:11	19:19	19:26	19:34	19:46
19:30	19:42	19:49	19:57	20:04	20:16
20:00	20:11	20:18	20:25	20:33	20:44
20:30	20:41	20:48	20:55	21:02	21:14
21:00	21:11	21:18	21:25	21:33	21:44
21:30	21:41	21:47	21:54	22:01	22:13
22:00	22:10	22:16	22:22	22:30	22:40
22:30	22:41	22:47	22:53	23:00	23:10
23:30	23:40	23:45	23:50	23:56	00:07

Saturday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

Blanchardstown SC	Liffey Valley SC	The Penny Hill	Pfizer	Brownsbarn Orch	Tallaght Square
05:30	05:40	05:46	05:52	05:59	06:09
06:30	06:39	06:45	06:52	06:59	07:09
07:30	07:40	07:46	07:53	08:00	08:11
08:30	08:40	08:47	08:54	09:01	09:12
09:00	09:10	09:17	09:24	09:31	09:43
09:30	09:40	09:47	09:54	10:02	10:15
10:00	10:10	10:17	10:24	10:33	10:45
10:30	10:41	10:49	10:56	11:04	11:17
11:00	11:12	11:19	11:27	11:35	11:49
11:30	11:42	11:49	11:57	12:06	12:21
12:00	12:14	12:21	12:30	12:38	12:52
12:30	12:44	12:51	13:00	13:08	13:22
13:00	13:17	13:27	13:36	13:48	14:03
13:30	13:46	13:56	14:05	14:17	14:33
14:00	14:14	14:21	14:29	14:37	14:51
14:30	14:45	14:53	15:01	15:10	15:25
15:00	15:13	15:21	15:28	15:35	15:52
15:30	15:43	15:51	15:59	16:08	16:22
16:00	16:13	16:21	16:28	16:36	16:50
16:30	16:44	16:51	16:59	17:07	17:20
17:00	17:14	17:21	17:28	17:35	17:52
17:30	17:45	17:53	18:01	18:10	18:22
18:00	18:15	18:22	18:30	18:38	18:49
18:30	18:43	18:51	18:58	19:07	19:19
19:00	19:11	19:19	19:27	19:34	19:47
19:30	19:41	19:48	19:56	20:04	20:16
20:00	20:11	20:18	20:25	20:32	20:43
20:30	20:41	20:48	20:55	21:02	21:13
21:00	21:10	21:17	21:23	21:30	21:41
21:30	21:40	21:46	21:53	22:00	22:11
22:00	22:11	22:18	22:24	22:31	22:41
22:30	22:41	22:48	22:54	23:01	23:11
23:30	23:39	23:45	23:51	23:58	00:07

Sunday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

Blanchardstown SC	Liffey Valley SC	The Penny Hill	Pfizer	Brownsbarn Orch	Tallaght Square
07:30	07:40	07:46	07:52	07:59	08:09
08:30	08:40	08:46	08:52	09:00	09:10
09:30	09:39	09:46	09:52	09:59	10:10
10:00	10:10	10:17	10:24	10:31	10:42
10:30	10:40	10:47	10:53	11:00	11:12
11:00	11:11	11:18	11:24	11:32	11:44
11:30	11:41	11:47	11:54	12:02	12:14
12:00	12:11	12:18	12:25	12:32	12:44
12:30	12:41	12:47	12:54	13:02	13:14
13:00	13:13	13:21	13:29	13:37	13:51
13:30	13:43	13:51	13:59	14:07	14:21
14:00	14:13	14:21	14:29	14:37	14:51
14:30	14:44	14:52	14:59	15:07	15:21
15:00	15:13	15:20	15:27	15:35	15:47
15:30	15:42	15:50	15:56	16:04	16:17
16:00	16:12	16:20	16:27	16:35	16:47
16:30	16:43	16:50	16:57	17:05	17:17
17:00	17:13	17:21	17:29	17:38	17:51
17:30	17:42	17:50	17:57	18:06	18:19
18:00	18:14	18:21	18:28	18:36	18:49
18:30	18:41	18:49	18:57	19:04	19:16
19:00	19:11	19:18	19:25	19:32	19:43
19:30	19:40	19:48	19:55	20:02	20:13
20:00	20:09	20:16	20:23	20:30	20:42
20:30	20:39	20:46	20:53	21:00	21:12
21:00	21:10	21:17	21:23	21:30	21:40
21:30	21:39	21:45	21:51	21:57	22:10
22:00	22:09	22:14	22:20	22:26	22:36
22:30	22:40	22:46	22:51	22:57	23:06
23:30	23:38	23:43	23:48	23:54	00:06

All 31 stops in this direction

Route W4 to Blanchardstown SC

Destination sign “Blanchardstown” · from The Square · 31 stops

Monday to Friday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

The Square	Brownsbarn Orch	Pfizer	Ballyowen Road	Liffey Valley SC	Blanchardstown SC
05:30	05:41	05:47	05:54	06:02	06:09
06:00	06:12	06:21	06:28	06:37	06:45
06:30	06:43	06:51	06:58	07:07	07:15
06:45	06:57	07:05	07:12	07:22	07:30
07:00	07:14	07:23	07:31	07:43	07:52
07:15	07:30	07:38	07:46	07:58	08:07
07:30	07:44	07:53	08:01	08:14	08:24
07:45	08:00	08:08	08:17	08:29	08:39
08:00	08:15	08:24	08:32	08:44	08:54
08:15	08:29	08:37	08:45	08:55	09:04
08:30	08:45	08:53	09:01	09:10	09:19
09:00	09:13	09:20	09:26	09:35	09:43
09:30	09:43	09:50	09:56	10:04	10:13
10:00	10:12	10:19	10:25	10:34	10:43
10:30	10:42	10:49	10:56	11:04	11:13
11:00	11:12	11:19	11:26	11:35	11:44
11:30	11:42	11:49	11:57	12:05	12:14
12:00	12:14	12:21	12:28	12:38	12:47
12:30	12:44	12:51	12:59	13:09	13:18
13:00	13:13	13:21	13:29	13:39	13:48
13:30	13:44	13:53	14:02	14:12	14:22
14:00	14:13	14:21	14:30	14:40	14:49
14:30	14:44	14:52	15:01	15:11	15:20
14:45	14:58	15:06	15:15	15:26	15:35
15:00	15:15	15:24	15:33	15:44	15:55
15:15	15:31	15:39	15:49	16:00	16:10
15:30	15:45	15:53	16:03	16:14	16:25
15:45	16:00	16:09	16:19	16:29	16:40
16:00	16:15	16:24	16:33	16:44	16:55
16:15	16:31	16:39	16:48	16:59	17:10
16:30	16:45	16:54	17:03	17:14	17:25
16:45	17:00	17:09	17:18	17:28	17:40
17:00	17:17	17:25	17:35	17:45	17:57
17:15	17:31	17:39	17:48	17:58	18:10
17:30	17:46	17:54	18:03	18:14	18:25
18:00	18:14	18:22	18:30	18:39	18:48
18:30	18:45	18:52	19:00	19:09	19:18
19:00	19:12	19:19	19:26	19:34	19:42
19:30	19:42	19:49	19:56	20:04	20:12
20:00	20:13	20:20	20:26	20:33	20:41
20:30	20:42	20:49	20:56	21:03	21:11
21:00	21:12	21:18	21:24	21:31	21:39
21:30	21:41	21:48	21:54	22:01	22:09
22:00	22:11	22:18	22:24	22:30	22:38
22:30	22:41	22:47	22:53	23:00	23:08
23:30	23:40	23:45	23:51	23:56	00:04

Saturday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

The Square	Brownsbarn Orch	Pfizer	Ballyowen Road	Liffey Valley SC	Blanchardstown SC
05:30	05:40	05:46	05:52	05:59	06:06
06:30	06:40	06:47	06:53	07:01	07:08
07:30	07:41	07:48	07:54	08:02	08:09
08:30	08:41	08:48	08:54	09:02	09:10
09:00	09:11	09:17	09:24	09:32	09:40
09:30	09:41	09:48	09:55	10:02	10:10
10:00	10:13	10:19	10:26	10:34	10:42
10:30	10:42	10:49	10:56	11:05	11:14
11:00	11:14	11:21	11:28	11:37	11:45
11:30	11:43	11:51	11:58	12:09	12:18
12:00	12:13	12:20	12:27	12:38	12:48
12:30	12:44	12:51	12:59	13:09	13:19
13:00	13:14	13:21	13:29	13:40	13:52
13:30	13:43	13:51	13:59	14:10	14:22
14:00	14:14	14:22	14:30	14:41	14:53
14:30	14:43	14:51	14:59	15:08	15:22
15:00	15:14	15:22	15:30	15:40	15:51
15:30	15:43	15:51	15:59	16:09	16:21
16:00	16:13	16:21	16:28	16:37	16:48
16:30	16:44	16:51	16:58	17:08	17:18
17:00	17:12	17:19	17:26	17:35	17:45
17:30	17:42	17:49	17:56	18:05	18:15
18:00	18:12	18:19	18:26	18:36	18:44
18:30	18:43	18:49	18:57	19:06	19:14
19:00	19:11	19:18	19:24	19:32	19:40
19:30	19:41	19:48	19:54	20:02	20:10
20:00	20:12	20:18	20:25	20:32	20:40
20:30	20:42	20:48	20:54	21:01	21:09
21:00	21:11	21:17	21:24	21:30	21:38
21:30	21:40	21:46	21:52	21:59	22:06
22:00	22:11	22:16	22:22	22:28	22:35
22:30	22:40	22:45	22:51	22:58	23:05
23:30	23:40	23:46	23:51	23:58	00:05

Sunday

Times at the main stops. 24-hour clock. A dot means that trip does not stop there.

The Square	Brownsbarn Orch	Pfizer	Ballyowen Road	Liffey Valley SC	Blanchardstown SC
07:30	07:40	07:47	07:52	08:00	08:07
08:30	08:41	08:47	08:53	09:00	09:07
09:30	09:41	09:47	09:53	10:01	10:08
10:00	10:11	10:18	10:24	10:31	10:39
10:30	10:42	10:48	10:54	11:02	11:10
11:00	11:12	11:18	11:25	11:34	11:42
11:30	11:42	11:48	11:55	12:04	12:13
12:00	12:12	12:18	12:25	12:34	12:43
12:30	12:44	12:50	12:56	13:05	13:14
13:00	13:14	13:21	13:29	13:38	13:49
13:30	13:43	13:50	13:58	14:07	14:19
14:00	14:13	14:20	14:27	14:35	14:46
14:30	14:42	14:49	14:56	15:05	15:16
15:00	15:12	15:19	15:27	15:36	15:46
15:30	15:42	15:49	15:56	16:04	16:14
16:00	16:13	16:20	16:26	16:35	16:44
16:30	16:42	16:49	16:55	17:04	17:13
17:00	17:12	17:19	17:26	17:35	17:43
17:30	17:42	17:49	17:55	18:04	18:13
18:00	18:13	18:20	18:27	18:36	18:44
18:30	18:42	18:49	18:56	19:04	19:14
19:00	19:12	19:18	19:25	19:33	19:41
19:30	19:42	19:48	19:55	20:03	20:11
20:00	20:11	20:17	20:24	20:31	20:39
20:30	20:41	20:48	20:54	21:01	21:09
21:00	21:11	21:18	21:24	21:31	21:39
21:30	21:41	21:47	21:52	21:59	22:06
22:00	22:11	22:17	22:22	22:28	22:36
22:30	22:40	22:46	22:52	22:58	23:06
23:30	23:39	23:45	23:51	23:56	00:04

All 31 stops in this direction

Route W4 route map

Questions about Go-Ahead Ireland Route W4

What time is the first Route W4 bus?

Monday to Friday: 05:30. Saturday: 05:30. Sunday: 07:30.

What time is the last Route W4 bus?

Monday to Friday: 23:30. Saturday: 23:30. Sunday: 23:30. A time after midnight belongs to the evening before.

How often does Route W4 run?

Monday to Friday: every 15 min. Saturday: every 30 min. Sunday: every 30 min, between 07:00 and 19:00.

Does Route W4 run at weekends?

Saturday: yes. Sunday: yes.

Where does Route W4 go?

Route W4 serves Blanchardstown SC, Liffey Valley SC, Pfizer, Tallaght Square and Ballyowen Road. The full list of stops for each direction is below the timetables.

Are these live bus times?

No. They are the published timetable from National Transport Authority’s open data, refreshed 4 October 2026. A bus can run early or late, and disruptions are not shown.

Source: National Transport Authority open data (GTFS schedule for Go-Ahead Ireland), used under CC BY 4.0. Refreshed 4 October 2026; the current timetable runs to 3 October 2027. These are scheduled times; disruptions and service alerts are published by the operator. Changes made: times reformatted into timetables and departure lists.

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