I agree. Steady flow on freeway is not only faster, but also easier to predict the travel time. so, we can go to work on time easier.
Also, I know there is another study says 55mph and 65mph is optimized for traffic flow. Setting the upper speed limit higher would not increase traffic flow because vehicles will reserve more space between themselves at higher speed. At one point, traffic flow may even lower.
I don't agree lower the speed limit to 55mph. If the gas price getting lower, we will hear another voice to raise the limit again. Policy should not change all the time.
However, I agree speed limit should be forced strictly. I know, some place outside America, police gives ticket even 5mph over the limit. We need something like that. Speeding is illegal, break the law. We should stop that. Law should protect people who follow it.
For that reason, they should raise the speed ticket triple the amount and increase the penalty.
Send more highway patrol to earn more money!! so the state government don't need to cut the medical and education budget. hahaha......