It Takes a Lot to Laugh, It Takes a Train to Cry Lyrics

Lyric discussion by RussK 

Cover art for It Takes a Lot to Laugh, It Takes a Train to Cry lyrics by Bob Dylan

I did a lot of research on this. I found Double EE refers to Ellis and Eastern Company, a railroad line, and for a time their marking was EE. The routes they serviced would be easily accessed by Dylan, Grateful Dead and Warren Zevon, who all include Double EE in their lyrics.