“Deer crossing” signs are to inform drivers about deer, not to inform deer where to cross the road. “And it (government—ed.) has gone a step further and informed the deer where to cross the road” is a joke that was posted in the North Adams (MA) Transcript on September 9, 1952.
 
”@bulls_horns: It pissed me off when I see tax money wasted on signs telling deer where to cross the road” was posted on Twitter on June 8, 2011. “It bothers me when I see tax money wasted on signs telling deer where to cross the road. RT @bulls_horns” was posted on Twitter by FunnyOneLiners on June 30, 2011.
 
       
9 September 1952, North Adams (MA) Transcript, “And by the Way” (editorial), pg. 4, col. 1:
And it (government—ed.) has gone a step further and informed the deer where to cross the road.
 
Google Groups: Transportation Communications Newsletter
Thursday, November 30, 2006
Bernie Wagenblast
11/30/06
(...)
8) Who Reads the Deer Crossing Signs? The Deer?
Some people think the signs are to tell deer where to cross the road.
Link to story in the St. Louis Post-Dispatch:
http://www.stltoday.com/stltoday/news/stories.nsf/stlouiscitycounty/story/F5EF691B5DD8BD7586257235000BCB7F?OpenDocument
         
Twitter
Joy Lavigne (Adkins)
@JoyKnows
RT @bulls_horns: It pissed me off when I see tax money wasted on signs telling deer where to cross the road.
8:52 AM - 8 Jun 2011
 
Twitter
FunnyOneLiners
@Funnyoneliners
It bothers me when I see tax money wasted on signs telling deer where to cross the road.
RT @bulls_horns
9:31 AM - 30 Jun 2011
 
Google Books
5,000 Great One Liners
Compiled by Grant Tucker
London, UK: Biteback Publishing
2012
Pg. ?:
It bothers me when I see tax money wasted on signs telling deer where to cross the road.
 
The Collection of Funny Tweets
Saturday, March 17, 2012
Funny Observation Tweets
(...)
2. It bothers me when I see tax money wasted on signs telling deer where to cross the road.
 
Twitter
Blair Garner
@blairgarner
It bothers me when I see tax money wasted on signs telling deer where to cross the road.
9:00 PM - 18 Apr 2013
 
19 April 2015, Daily Record (Morristown, NJ), “Cryptograms” by Myles Mellor, pg. 8M, col. 1:
Last week’s Cryyptograms:
1. I’m upset when I see tax dollar spent on signs telling deer where to cross the road. Some say it’s giving back. I say bucks are expensive!
 
Twitter
Funny Jokes
@BarzFunnyJokes
It bothers me when I see tax money wasted on signs telling deer where to cross the road.
7:15 AM - 28 Jun 2018