Billboards come from Arabic, which means to convey. As for what is conveyed is an implied message, promotion, advertisement or telling something that is known by the general public. The size of a large billboard is made so that road users can clearly see the information or messages conveyed through billboards. The purpose of this study is to identify the construction of billboards that have the potential to cause disasters for existing road users in every road on North Ringroad Road in Yogyakarta by dividing the 5 points of the research location. The type of research that will be used is observational qualitative research, namely research by looking directly at the research conditions in the field in accordance with the regulations set by the local party. In the results of the study found the percentage of billboards for small sizes of small billboards of 14.56% medium size billboards of 45.63% and large billboards of 38.83%, while billboards that are not included in the regulations are 0.97%. The percentage value for billboards with a distance of less than 1.5 meters is 98.05% and billboards with a distance of more than 1.5 meters are 1.94%. Based on the results of identification of billboards, the value of the billboards is folded, which has the potential to cause accidents as follows, the percentage value for the condition of the billboards is not as good as 23.03%, the condition is 3.88%, good condition 56.31%, and very good condition 16, 50%. From the research conducted, it can be concluded that the condition of the billboards along the North Ringroad Road is quite good but periodic billboards are still needed.