It's in the largest swing state in Presidential elections, and it may be the most important road in U.S. politics.  It's the I-4 highway across central Florida, from Tampa to Daytona Beach.  132 miles of all kinds of voters; old, young, rural, urban, but above all, independent voters who tend to vote for winners.  And, the I-4 corridor helps determine which way Florida votes as a whole in those Presidential elections.

FOX's Steve Harrigan has more from America's Election Headquarters in Orlando: