Movement is more noticeable and can convey more information.
It has to be done right though. It must be noticeable but not distracting. Extra information needs to be balanced with keeping it simple to understand.
Ideally, or the most important information first and additional information if you look longer.
Arrows animated in to the direction they are pointing comes to mind as a straightforward example but also thinking about general use smart signs to show flow directions at complex junctions.
Movement is more noticeable and can convey more information.
It has to be done right though. It must be noticeable but not distracting. Extra information needs to be balanced with keeping it simple to understand.
So also make it that you can get all important information by looking for a split second on it?
Ideally, or the most important information first and additional information if you look longer.
Arrows animated in to the direction they are pointing comes to mind as a straightforward example but also thinking about general use smart signs to show flow directions at complex junctions.