Milford Haven train at Whitland railway station The Arriva Trains Wales service awaits departure from platform 2 for the terminus at Milford Haven, a scheduled journey time of about 45 minutes. The other westbound destination from this platform is for the terminus at Pembroke Dock, a scheduled journey time of about 75 minutes. At this junction west of the station, trains for Milford Haven take the straight ahead route. Pembroke Dock trains diverge to the left.