What does the footnote mean in ';All That You Love Will be Carried Away'; by Stephen King?

In his short story ';All That You Love Will be Carried Away,'; Stephen King has a footnote to one of his bathroom scribbles. It reads,


*';To read this you must also look at the exit ramp from the Walton Rest Area back to highway, i.e. at departing transients.';


Does anybody have any idea what this means?What does the footnote mean in ';All That You Love Will be Carried Away'; by Stephen King?
It is meant to mean that you should try and feel the way Alfie Zimmer does as he travels. Loneliness etc.





http://en.wikipedia.org/wiki/All_That_Yo鈥?/a>What does the footnote mean in ';All That You Love Will be Carried Away'; by Stephen King?
It is in an odd spot. It's almost like reading the back of a billboard when you pass it.