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W4

Dublin · bus timetable

Bus W4 The Square - Blanchardstown SC

Line W4 goes from Blanchardstown SC to Tallaght Square; departures on weekdays run from 05:30 until 23:30, every ~23 min.

  • Headway~23 min
  • First departure05:30
  • Last departure23:30
  • Average ride~49 min
  • Stops31
  • Departures per day46
  • Route length22.4 km
  • Peak~60 min
  • Off-peak~37 min
  • Saturday33 departures
  • Sunday30 departures

Bus of Dublin public transport — connects Blanchardstown SC and Tallaght Square, with 31 stops per direction.The first departure is at 05:30, the last at 23:30.Departures run every ~23 min, and the ride takes ~49 min on average.

Single ticket: €2.00

Source: National Transport Authority (Transport for Ireland) GTFS, version 924629DB-7A2F-4D39-B0EE-92FDCF6D0D0A, valid until 10 November 2027.

Current change on this line

Timetable

First

05:30

Last

23:30

Departures

46

Line W4 timetable — on weekdays
05 30
06 003045
07 00153045
08 001530
09 0030
Line W4 timetable — on Saturdays
05 30
06 30
07 30
08 30
09 0030
Line W4 timetable — on Sundays and holidays
07 30
08 30
09 30
10 0030
11 0030
Valid from10.11.2026.
Changed26.09.2026.
Checked11.11.2026.

Stops

31 stops~49 min in total
  1. 373939A220236236A+5departure0min
  2. 51D52C1C2C3C4+9+10 min13min
  3. 52C1C2C3C4C5+8+1 min14min
  4. 52C1C2C3C4C5+8+1 min15min
  5. 52C1C2C3C4C5+5+1 min16min
  6. 52C1C2C3C4C5+4+1 min17min
  7. C1C2L54+1 min18min
  8. C1C2L54+1 min19min
  9. C1C2L54+1 min20min
  10. Glen Vale

    #7760

    L54+1 min21min
  11. Foxborough Rise

    #7142

    151+2 min23min
  12. Kishoge Stn

    #8072

    151+2 min25min
  13. Lynche's Lane

    #7015

    151+1 min26min
  14. 13151+2 min28min
  15. 13151+0 min28min
  16. Grange Cstl Gt

    #4576

    151+1 min29min
  17. 1368151+1 min30min
  18. Kingswood BP

    #8075

    +3 min33min
  19. Green Isle Road

    #8076

    +1 min34min
  20. Brownsbarn Orch

    #5125

    69+2 min36min
  21. Kingswood Road

    #8077

    +2 min38min
  22. Katharine Tynan Rd

    #8078

    +3 min41min
  23. 27W6+1 min42min
  24. 27W6+0 min42min
  25. 2756AW6+1 min43min
  26. 2756AW6+1 min44min
  27. 2756AW6+0 min44min
  28. 56AF1W2W6+3 min49min

Lines on the same route

Other Dublin lines that share stops with line W4.

Current changes on this line 1

RoadworksActive

Eastern/Southeast: Lines 101, W2, W4 affected by events and roadworks

On 11 November, lines 101, W2, W4 and several others have cancellations and delays due to the EPC meeting in Dublin. Route 101 expects delays on the R132 in Swords. Route W4 skips two stops in Waterford until 5 January due to Winterval Festival.

11/11/2026 – 11/11/2026 2 stops changed
Also affects101W2
Read the full notice

Frequently asked questions

When are the first and last departures of line W4?

On weekdays the first departure from Blanchardstown SC is at 05:30 and the last at 23:30. There are 46 departures in total.

Does line W4 run on weekends?

Yes — on Saturday from 05:30 to 23:30 and on Sunday from 07:30 to 23:30.

Does line W4 run on Sundays?

Yes. On Sundays line W4 has 30 departures from Blanchardstown SC, the first at 07:30 and the last at 23:30.

How often does line W4 run?

Departures run about every 23 minutes (median headway between 06:00 and 21:00 on weekdays). It is denser at peak and sparser in the evening and at weekends.

How long is the ride on line W4?

The whole ride takes about 49 minutes on average — from about 37 minutes off-peak to about 60 minutes at peak.

How many stops does line W4 have?

In the Blanchardstown SC → Tallaght Square direction, line W4 has 31 stops.

How long is the route of line W4?

The route in this direction is about 22.4 km long.

Are there any changes on line W4?

Yes — there is one active change at the moment. Details are in the “Current changes on this line” section above.