Wow some fascinating examples! In jungian dream Analysis the mode of transport in your dreams reflects your conscious attitude, a train is a direct a-b transport, so the dream reflects that your mind had already determined a direct cause of action.
Water is also interesting in dreams as this reflects your emotions or unconscious mind, i.e calm is serene and choppy or stormy turmoil or angst. The boat on water reflects your attitude riding your unconscious self towards a goal, if water is calm this suggests balance within yourself.
With buildings try and recall what floor you were in and the state of the building, as highup in a building suggests ego hiding from ‘what lies below’ whereas lower down is the ego or conscious mind trying to understand or reach the unconscious.
And now over to Bob with the weather reports 😂
Sorry I babbled away 🤣