This song is pretty much played in standard 12-bar rock n roll form.

Anytime an E is played these riffs are played continously
Riff #1 (Guitar 1/Bass)                  (Guitar 2)      
 E                                     E
I---------------------------         I--------------------------------------
I---------------------------         I--------------------------------------
I---------------------------         I--------------------------------------
I--------------0------------         I---2---4---2--2--4--2--2--4-----------
I-----------2-----2--4--2---         I---2---4---2--2--4--------4---2--2--4-
I-----0---4-----------------         I--------------------------------------

Likewise anytime an A is played use these riffs continuously
Riff #2 (Guitar 1/Bass)                  (Guitar 2)      
 A                                     A
I---------------------------         I--------------------------------------
I---------------------------         I--------------------------------------
I--------------0------------         I---2---4---2--2--4--2--2--4-----------
I-----------2-----2--4--2---         I---2---4---2--2--4--------4---2--2--4-
I----0---4------------------         I--------------------------------------
I---------------------------         I--------------------------------------

*Note: ad-lib these riffs whenever necessary

Verse 1  B|---A|----E
E
My baby said she's travelin on the one after 909

She said, "move over, honey, im travelin on that line."
N.C.      E                  E
She said move over once.... move over twice
A
c'mon baby don't be cold as ice
E
she said shes travelin on the 
B
one after 909

Verse 2
Well I begged her not to go and I begged her on my bended knee
I said you're only foolin round, only foolin round with me
I said move over once.... move over twice
c'mon baby don't be cold as ice
she said she's travelin on the
one after 909

I----------------------
I----------------------
I----------------------
I----------------------
I-------------------0--(into riff #2)
I--0-0-2-2-3-3-4-4----- 

A
pick up my bags
E
run to the station
A
railman says
             B
you got the wrong location (yeah)
A
pick up my bags
E
run right home
A
then i find
            B
you got the number wrong  

Repeat Verse 1
Add lib solos ect.