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The deteriorating quality of environment can be caused by air pollution due to traffic jam in intersection. Thus, the traffic performance at intersection needs to be analyzed so that the air pollution level within that area can then be identified. This research was conducted on two connected intersections: Jelutung Intersection and Talang Banjar Intersection in Jambi City, Indonesia. This research is aimed at analyzing the performance of the intersections under the existing condition and the alternatives of traffic handling using Vissim program, analyzing the amount of CO2 emission, controlling and improving air quality by using EnViVer Program. The alternatives for handling traffic include expanding road geometrics, resetting traffic lights, and construction of flyover. The traffic performance indicators include vehicle volumes, queue lengths, and delays. The research result shows that the alternative of construction of flyover gives both an improvement within the performance of the intersection networks and an emission reduction at its best – where the queue length of both intersections decreases to 25,69% in average and the delay decreases to 30,67%. Further, the total of CO2 emission decreases from 391,621 gr/km to 303,9 gr/km, being a medium category while the lowest concentration of CO2 is at interval 67.200 to 134.000 μg/m3 for the accumulation of both intersections.

An Analysis of Air Quality through the Basis of Traffic Performance of Signaled Intersections