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Smart traffic lights and vehicular traffic: A comparative case study to reduce traffic jams and contaminants

Abstract:

The objective of this work is to analyze vehicular traffic through traffic lights; comparing the current traffic light strategy of the city of Loja (Ecuador) and the use of intelligent traffic lights, using simulation. For this, microsimulation was applied in the downtown area of the city, due to the high traffic congestion, and the macrosimulation that covers the entire road network. For the construction of the simulation scenarios, semaphore data used by the municipality was collected, in such a way that the current traffic light structure and the proposal can be analyzed. The results showed that, with microsimulation -in the center of the city- this proposal allows an average reduction in noise pollution of 1,46%; CO2 of 13,72%; CO of 16,09%; PMx of 15,61%; HC of 14,21%; NOx of 14,58%, and the number of vehicles at 11,75; whereas, with macrosimulation, the situation does not change.