Wikipedia:Articles for deletion/Comparison of traffic signs in English-speaking countries
while unconventional, I don't see any policies or guidelines this article violates.  It offers no advice on these symbols, so it doesn't fail .  At the end of the day |Wikipedia is an encyclopedia and encyclopedias are meant to provide interesting information.  This information is both useful and interesting and therefore encyclopedic.  It doesn't fail  and it seems to pass  which are the classic policies/guidelines applied in AfDs like this one
— User:DrStrauss, 16:01, 31 August 2017 (UTC)
Stance: keep
Cited policy: WP:NOTMANUAL||WP:WINC||WP:GNG||WP:NOPAGE (Wikipedia:What Wikipedia is not)