Optimal Speed Suggestion
If there's a big traffic jam at a point 2/3 of the way to my destination, it may not help me get there on time if I drive at full speed or over the speed limit up to the point of the jam. Waze could set my suggested driving speed lower for a more even pace over the course of the trip. In some cases, a lower driving speed may help me conserve fuel (and thereby create a smaller carbon footprint) and if many drivers use this we may see safer roads as fewer people speed around rushing to get to the next red light or the back of the next traffic jam.
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wies. labarque. commented
This would be a good feature for driving German highways as well. Since on some tracks there is no speed limit, indeed traffic ahead can be held better into account.
Also sometimes after an interchange, speed limit is lifted but only for 2km. This is ridiculous traffic signing anyway but Waze could really help out for this.