Just to start it out…
Why did the chicken cross the road?
… To live up to all the hype
Why did the dead baby cross the road?
Because he was stapled to the chicken :eek:
SGT Schwartz
Why did the engineers cross the road?
…We looked in our files, and that’s what we did last time.
Why did the hen cross half-way across the road?
She wanted to lay it on the line.
Why did the duck cross the road?
It was the chicken’s day off.
Why did the bacteria cross the microscope?
To get to the other slide.
(Apologies for not following the exact format.)
Why did the pirate cross the road?
To get the booty on the other side.
Why did the man cross the road?
To get the booty on the other side.
Why did the 1970s punk rocker crossthe road?
He was safety-pinned to the chicken.
Why did the chicken cross the road halfway?
To lay it on the line.
Why did the runner cross the road?
To get to sanctuary!
Ha! at Rigamarole’s. 
Why did the chicken cross the road?
So no-one would know how fast it was going.
Why did the Sandman cross the road?
To get the runner, of course.
Why did the armadillo cross the r… OK, forget that. :smack:
Why did the chicken cross the road?
To prove to the opossum that it could be done.
(I suppose one could substitute “armadillo” for “opossum,” A.R. Cane.)
Drat! Beaten to it!
Why did the old man cross the road?
To prove that sanctuary exists.
Why did the box cross the road?
To get to the fish, plankton, sea greens, and protein from the sea.
(Okay, I think that about covers the Logan’s Run refs. :))
That joke’s rated Arrrrrgh!
Why did the dinosaur cross the road?
Because the chicken hadn’t evolved yet.
Why didn’t the chicken cross the road?
Because Colonel Sanders was on the other side.
Why didn’t the skeleton cross the road?
He didn’t have the guts.
Why did the chicken cross the road?
To keep his pants up.
No, no… to get to a Rhode Island!
Q: Why did the feminist cross the road?
A: That’s not funny!
I heard it as:
Why did the feminist cross the road?
To get to the other side, and THAT’S NOT FUNNY!