Congestion and saturation of vehicles on the main roads of the city of Lima is a problem difficult to understand because the many facets and variables that cause it. Based on the collection of data from various cameras filming located in the area of Javier Prado avenue, stretch from Aviacion avenue to Evitamiento highway, it had been performed an analysis of some variables which ones we have tried to monitor, diagnose and analyze the behavior in this way, and their service level. The proposals variables to analyze are: vehicular intensity, demand for vehicles, average speed, capacity of the road, track geometry, lane change maneuver, Types of vehicles, number of lanes and Traffic Density. From the analysis of these variables and their interaction can we give some conclusions about the most influential variables in traffic congestion, the service level of the road, in addition to understanding the phenomenon.