Examples Of Ads Posted In The Past.
watsapp 85601516 for more info
Currently posting on west side of Singapore
Rest of notice boards outside the blue lines not posting.
Reference http://www.onemotoring.com.sg/publish/onemotoring/en/on_the_roads/road_facilities/considerate_use_of_public_road_facilities/Locations_of_free_advertisement_spaces.html