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42D

Dublin · bus timetable

Bus 42D Portmarnock - DCU

Line 42D (DCU Helix – Hazel Court) has its first departure on weekdays at 17:10 and its last at 17:10, 1 departure a day.

  • Headway~15 min
  • First departure17:10
  • Last departure17:10
  • Average ride~68 min
  • Stops32
  • Departures per day1
  • Route length21.9 km
  • Peak~68 min
  • Off-peak~68 min
  • Saturdaynot running
  • Sundaynot running

Bus of Dublin public transport — connects DCU Helix and Hazel Court, with 32 stops per direction.The first departure is at 17:10, the last at 17:10.Departures run every ~15 min, and the ride takes ~68 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.

Related lines4242n

Timetable

First

17:10

Last

17:10

Departures

1

Line 42D timetable — on weekdays
17 10

Line 42D does not run on Saturdays.

Line 42D does not run on Sundays and holidays.

Valid from10.11.2026.
Changed26.09.2026.
Checked11.11.2026.

Stops

32 stops~68 min in total
  1. 19220220A220TE1E2+1+10 min10min
  2. 19220TE1E2+0 min11min
  3. 19E1N688n+1 min12min
  4. Santry Cross

    #6182

    E1+1 min13min
  5. Gulliver's Retail

    #322

    +0 min13min
  6. Holywell Dr

    #7197

    142+2 min28min
  7. 142506+3 min31min
  8. 42142+2 min53min
  9. 42142+2 min55min
  10. 42142+0 min55min
  11. 42142+2 min57min
  12. 42142+4 min61min
  13. 32X102+2 min64min
  14. 32X102+1 min65min
  15. 32X102+1 min66min
  16. 32X102+0 min66min

Lines on the same route

Other Dublin lines that share stops with line 42D.

Frequently asked questions

When are the first and last departures of line 42D?

On weekdays the first departure from DCU Helix is at 17:10 and the last at 17:10. There are 1 departures in total.

Does line 42D run on weekends?

No, there are no published weekend departures.

Does line 42D run on Sundays?

No. The current timetable has no Sunday departures for line 42D.

How long is the ride on line 42D?

The whole ride takes about 68 minutes on average — from about 68 minutes off-peak to about 68 minutes at peak.

How many stops does line 42D have?

In the DCU Helix → Hazel Court direction, line 42D has 32 stops.

How long is the route of line 42D?

The route in this direction is about 21.9 km long.