Why Did It Take So Long To Connect Bloomington, Indiana To An Interstate Highway?

Indiana has earned, in more than one way, its reputation as the crossroads of America.

Hoosier Carl Fisher, one of the founders of the Indianapolis Speedway, conceived the Lincoln Highway, one of the first routes to connect the coasts.

And it was a Washington, Indiana man who envisioned a NAFTA superhighway that would connect Mexico to Canada. David Graham lobbied for more than half a century for an interstate that would connect his town to the rest of the country.

But why did it take so long?