Randomsigns Have You Ever Noticed This? by Prince Of Petworth September 11, 2008 at 12:49 am 1 Comment DSCN2614, originally uploaded by Prince of Petworth. Why do they grease up all the construction ahead signs? Ed. note: It’s tough to say “grease up” without using the Willie the Scotsman’s accent from the Simpsons. I guess they do it so people won’t try and mess with the signs, yeah?