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Civil Engineering

Master's Theses

CO2 Emissions

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Quantifying The Impact Of Truck Only Lanes On Vehicular Emissions On A Limited-Access Highway, Edward Chee Tang Jun 2017

Quantifying The Impact Of Truck Only Lanes On Vehicular Emissions On A Limited-Access Highway, Edward Chee Tang

Master's Theses

This thesis seeks to estimate CO2 emissions on a portion of the U.S. 101 highway in San Luis Obispo County before and after construction of a truck only lane on the Cuesta Grade. Towards that aim, the microsimulation software, VISSIM, was used in conjunction with the Environmental Protection Agency’s emissions model, MOVES. The microsimulation model was calibrated and validated against historical and present traffic volumes obtained from Caltrans with good results using several validation measures. It was found that CO2 emissions did decrease between 1998 and 2012 (pre and post lane addition), but this effect was shown to …