For those of you who have NOT seen the incredible movie that is almost certain to win Daniel Day-Lewis an Academy Award, please go post-haste to the theater. Though the plot centers on the of the Civil War's last months, it is a deep dive into the dynamics of a very fractious United States, making the Blue State/ Red State divide of today seem a mere bump in the road.
Speaking of bumps in roads, US Route 6 has significant Abe Lincoln history from PA to NE.
Lincoln, NE; Self-evident. This city was named after the just-assassinated President.
For information about these and other cities and towns on US Route 6, purchase the ultimate American Road Trip guidebook, Stay On Route 6 (Amazon.com).