行前选路是静态的，途中情况是动态的。很多人都改用Waze了，它在Navigation和Traffic & hazards这两项途中的关键指标都比Google Maps要强大，尤其是实时信息报料明显比狗狗好，狗家经常性滞后，参考详细比较“Google Maps vs. Waze"：

Which Google-owned navigation app should you trust to help you get around?

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https://www.tomsguide.com/face-off/google-maps-vs-waze