The pedestrian crossing (“zebra crossing”) is intended to enable pedestrians to cross the road safely and without danger. For this reason, you must leave pedestrian crossings free under all circumstances. If you drive into a junction (or crossing) in slow-moving traffic, there is a risk that you will block oncoming cross traffic or that oncoming traffic turning left will have to wait unnecessarily long. The junction or crossing would thus become even more clogged and traffic would be obstructed more than necessary.