Cleverer speed selection

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/request-a-feature/cleverer-speed-selection/
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Hi there,

When planning a route, why are we given fairly arbitrary options for choosing speed - max speed or % of speed limit.

Surely the only relevent thing really is the current speed of the traffic - that's the most realistic speed we will travel. Why not simply have that as an option? Is there any technical limitation?

Love the product, thanks very much.