It was announced that the activities of the authority office to ensure the city's traffic flow and safety are supported by research. / 2017 It is stated that the Addis Ababa Traffic Management Authority will study the areas where traffic collisions occur every day and implement preventive measures In the past three months, by taking traffic accident data and identifying the number and location of traffic collisions, finding the right location of the collision and conducting various studies, the principle of prevention of accidents has been carried out based on the studies It has been suggested that 500 speed humps and alarms have been made from plastic (Rubber) on various roads in the city Asphalt concrete speed hump and alarms from Kara to Gedera Bala 50km/hr at 5 places, Ashwa Meda Bala 50km/hr at 9 places, 41 Jesus Bala 40km/hr at 6 places, Lancet Hospital to 24 Bala 40km/hr at 2 places It has been stated that speed bumps have been constructed and 300 km on main roads A complete painting of the road has been implemented. The lines from Bole-Estifanos, from Piasa Four Kilo, Kebana Junction, from Mexiko Sarbet Kera Wolo Sefer, from Customs Cargo Bulbula, have been completely painted. Pedestrian crossings, road dividers, roadsides, vehicle parking lots), bicycle lanes, etc. Seen in a report. On the other hand, it was suggested that the work of improving the infrastructure resources of the authority: (repairing fences that were destroyed due to conflict, painting bollards, painting fences, washing safety rollers, repairing traffic signs, and collecting damaged properties on the roads to the treasury).