The abrupt cut of this street marks the ending of the Autopista between Buenos Aires and La Plata, also known as La Ruta Nacional 1. The remaining lanes lead to the Autopista 25 de Mayo that will get you to the Ezeiza International Airport. The sudden end of the lanes looks pretty unfinished just as if a future extension is planned. In fact, I have no clue whether this is an extension point or the final state of the construction work. Let's hope nobody will ever fall off this urban cliff.