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"you can't dynamically reroute around an obstructed road by clicking onscreen". Can you with any of them ? surely if you cut a road out, the device will just calculate 'New Route' as you travel, won't it?
With Garmin's higher-end devices, and those of other manufacturers, if you're stuck in a jam you can click on the road ahead and tell the device to avoid the road for a distance X. It will then recalculate the route, so you know the right turning to take when you reach it. The 215 doesn't do this. If you turn down a side street, it will recalculate, but you might end up back in the jam if you happen to have turned down a road which won't take you to your destination without a major detour. Clearly, this isn't quite such an effective system.
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