Most people do not want to face the facts but only the locals can supply these answers.
The Interstate System was obsolete before it was ever put into operation.
Not enough local designations for ways out other than Interstates are designated,not enough local participation and just plain laxness on the part of the local citizens as well caused most of this. The only people that should really be personally cared for are the sick,elderly and dirt poor.
I don't think there is any major "blame" to go around. Flaws in the system should be fixed, but the whole concept of "blaming later" shows a desire to take potshots at government. Any true blamegame should start with personal responsibities.