The report discusses how monitoring transportation can help improve air quality planning. The study looked at different factors like technical, organizational, and political aspects to recommend strategies for effective monitoring. Monitoring transportation can track trends, assess planning activities, and evaluate project efficiency. The study drew five conclusions about monitoring quality and made eight recommendations to enhance planning decisions for better air quality. The recommendations focus on allocating resources effectively, tailoring approaches to each case, considering feasibility, and utilizing external resources. The EPA could implement these recommendations to improve transportation and air quality monitoring.