Provide “avoid highways” option

🚧 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/provide-avoid-highways-option/
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Google Maps has this feature; it’s a toggle button to plan a route that avoids highways, which tends to take longer but is more efficient for EVs.