[Always Right]

1) A lower speed limit means a lower death and injury rate. Presumably, your life has some value.

Not necessarily true. Purdue: 70 mph limits safe as 65 mph

[Gondring]

Purdue: 70 mph limits safe as 65 mph

Butied toward the bottom of the news story is the fact that they increased the number of police, so there was greater enforcement for the later (higher) speed limit.