Research on Urban Road Congestion Pricing Strategy Considering Carbon Dioxide Emissions (20 page pdf, Yitian Wang, Zixuan Peng, Keming Wang, Xiaolin Song, Baozhen Yao, and Tao Feng, Sustainability, Aug. 6, 2015)
Today we review research into models of congestion pricing to reduce both traffic congestion and the emissions that are produced by stop and go traffic- something that is not usually considered when planning congestion pricing because of the difficulty in measuring actual road emissions. The fact that road emissions make up 80% of transportation GHG emissions makes this assessment very important when emission reduction, especially in cities, is the goal. Results indicate that achieving both objectives is feasible with emissions falling by 19%, and modal car use falling from 70% to 56% with increased use of public transit.
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