Filter out highway=proposed and other non-roads? about city-roads HOT 4 OPEN

Hi Rico, I like this a lot. It gives smaller responses, and it seems faster. I'm updating the cache now, and will migrate to this once cache is done.

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Here is a visual difference. On the left you see Seattle with proposed regex. On the right is original drawing (without highway filters). Which one do you like better?

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I think the left looks more clean, in line with the minimalist style. For many cities, there'd be less spots from partially mapped sidewalks as well.
I forgot about highway=pedestrian, which is as wide as a normal street and can be sometimes used by cars. You may also want to filter out area=yes (I'm unsure about performance impact of it).

way[highway~"^(((motorway|trunk|primary|secondary|tertiary)(_link)?)|unclassified|residential|living_street|pedestrian|service|track)$"][area!=yes]

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But if you filter out footways or cycleways it could mean to loose a lot of ways inside a city. Think of huge parks or the bicycle roads that are built in more and more cities. I think this could lead to a lot empty spots in some cities.

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