I say yes. If it makes the families and friends of those lost find comfort.

As far as making a point to other drivers.
I also think it would be interesting to see a sign posted by the local officials that states: Age, type of automobile and a very brief cause of the accident.
i.e. Male, 32, Pickup, Speed/Ice.

Around here most would read: Male, 17, Mustang, Speed/Drunk.

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1980 300D - Veggie Burner !