This is a fantastic song, that's pretty simple to play.
Sexton plays this song in a bunch of different ways, alot of time in open G, but this is 
version I've seen him play that is really simple and doesn't require re-tuning your guitar.

D     x-x-0-2-3-2----------|  (hammer on the A note the first beat of every bar)
Cadd9 x-3-2-0-3-3-|
G/B   x-2-0-0-3-3-|


Verse:

D
Met an old friend last night, had a cup of coffee
D
We talked about all the things that had been going on
D
We talked about the old days, we talked about the new days
D                                           Cadd9             G/B
We talked just about anything but what was really going on

D
After ten long minutes that slowly passed us by
D
The tension in the air I could cut it with a knife
D
Staring out the window and gazing at the menu
D                                    Caad9             G/B
Suddenly he called my name and he looked me in the eye


Chorus:

            Cadd9                 G/B                                D
He said, I don't know where I'm going and I don't know where I've been.
          Cadd9                   G/B                       D
And there's one long road that I traveled just to see you again.
         Cadd9                 G/B                            D
I said I don't know where I'm going, I don't know where I've been.
       Cadd9                 G/B                          D
And it seems I got a little trouble and I need you my friend.

After the last chorus for the "its in the journey...." part just keep playing Cadd9 - 
- D.  You'll hear it.

have fun! :)