Glad you liked this one. Personally, I think it's best gag I've thought up in a long time yet so obvious, which is usually the case with the best jokes. Even submitted it to PE, though not building up my hopes. ;)
From Viz Top Tips: -SCULPTORS. When designing a new statue for your city centre, why not add a stone traffic cone to its head to discourage pissed students from risking death at 3.00 am.
I'd say great minds think alike but not sure I'm up to Viz's standards! ;)
[...] here scratching my head. When I drew it two days ago, I genuinely thought the traffic cone cartoon the best gag I’d ever drawn. I still think it is but I’m now beginning to doubt my own judgement about these things. But then [...]