Add SOS waypoints
Motorways, Highways, and interstate's can be dangerous places to be roadside walking. Display icons at each emergency roadside assistance calling points (SOS Points) for use during breakdowns/accidents/emergencies. This would make it obvious which is within the shortest walk distance so as to avoid unnecessary delays in emergencies.
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Brendon McLoughlin
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Brendon McLoughlin commented
In an emergency, this could save your life!