Monumentally awful
Highways go from green to orange, then back to mostly green and partly orange, then to all orange, depending on the zoom level. You can find a number on the map and tap on it, and it will tell you there are multiple issues, tap for details. So you tap for details, and in response it will zoom in a bit and tell you again to tap for details. So you tap again and it zooms in a bit and asks you to tap for details. Apple Maps app gives far, far, far better road condition details in an elegant way. During the worst of the recent flooding, it wouldnt work at all.
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