WW
And for many people from Continental Europe who arrive it the station, this may also be their first encounter with left-hand traffic (which takes some getting used to, despite those friendly reminders on the ground.)
The issue is nobody travelling out of the station (King's Cross or St Pancras) uses it properly (whether they don't wait for the green man, or don't look before crossing - it is marked 'LOOK RIGHT/LEFT' on the ground).
And for many people from Continental Europe who arrive it the station, this may also be their first encounter with left-hand traffic (which takes some getting used to, despite those friendly reminders on the ground.)