Begin work on a nationwide high speed rail network which would more easily connect areas of the country.

A well thought out example is given in https://www.facebook.com/photo.php?fbid=458257567562919&set=a.4582574875...

A system like this would reposition the United States as a leader in infrastructure as well as revitalizing many ailing local economies along the routes.

It would also create a great many jobs and reduce emissions by taking more cars off the roads.