“40 is the new 30, but try telling that to a speed camera”

“40 is the new 30, but try telling that to a speed camera” is a jocular one-line saying that has been printed on GIFs. The joke has been cited in cited in print since at least 2007.
 
The remark has been used to describe a father or mother. “‘40 is the new 30!’ My dad always used to say. Lovely man. Terrible at keeping his driving licence” was posted on Twitter on March 6, 2014. “My mum always used to say ‘40 is the new 30’. Lovely woman. Banned from driving” was posted on Twitter on January 19, 2016.
 
     
Truck Net UK
First day gearbox woes
Post by gonzothejaffa1 » Fri Jul 27, 2007 8:32 pm
(...)
they say 40 is the new 30, try telling that to a speed camera
 
Twitter
Tony Cowards
‏@TonyCowards
They say that 40 is the new 30, but try telling that to a speed camera.
8:12 PM - 2 Mar 2009
 
19 May 2011, South Wales Evening Post (Swansea, UK), “Comic Tony’s got gags up his sleeve,” pg. 1:
THEY say 40 is the new 30. But try telling that to a speed camera.
 
Google Books
The Mammoth Book of One-Liners
Edited by Geoff Tibballs
London: Constable & Robinson Ltd
2012
Pg. ?:
They say that 40 is the new 30, but try telling that to a speed camera.
 
Twitter
Chase Raiford©
‏@ChaseRaiford
“40 is the new 30…unless you’re driving and the speed limit is 30.”—@ESPN_Colin
6:20 PM - 7 Aug 2012
 
Twitter
Dan
‏@ehdannyboy
“40 is the new 30!” My dad always used to say.
Lovely man.
Terrible at keeping his driving licence.
2:39 PM - 6 Mar 2014
 
Google Groups: alt.support.loneliness
can you think of the oldest, and most insipid jokes…
%
7/19/15
(...)
They say that 40 is the new 30 but try telling that to a speed camera.
 
Twitter
♠Rik ♠
‏@Clark1969Clark
My mum always used to say ‘40 is the new 30’.
Lovely woman. Banned from driving.
3:37 PM - 19 Jan 2016
 
Facebook
Simon’s Scouse and all jokes page
October 19, 2016 ·
They say that 40 is the new 30, try telling that to a fucking speed camera.
 
Twitter
Shit Jokes
‏@ShitJokes
My mum always used to say “40 is the new 30”.
Lovely woman, banned from driving.
3:40 AM - 22 Jan 2017