Ability to hide speed limit sign

🚧 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/ability-to-hide-speed-limit-sign/
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Most of the time the displayed speed limit is wrong, also car displays speed limit (and correct one as it's based on camera) so having wrong speed limit shown on abrp is kind of redundant anyway. Why it's wrong? Well, in Finland we have different speed limits during winter time (not fixed change date, based on conditions, changes also on different date in different parts of Finland) - that is a major one, most of the year what abrp shows is completely wrong. And also a minor issue is that some roads change speed limits remotely, even daily based on conditions.