This work seeks to assess the impact of adding a lane for slower trucks on a divided multilane highway on CO2 emissions. A portion of the U.S. 101 highway in San Luis Obispo County in California consists of the Cuesta Grade which is a 2.75-mile segment with a 7% grade. A microsimulation software, VISSIM, was used in conjunction with the Environmental Protection Agency’s emissions model, MOVES, to estimate CO2 emissions on the corridor before and after the construction of the third lane. It was found that CO2 emissions decreased between 1998 (before) and 2012 (after the 2003 lane addition), but the effect of the truck lane was shown to be different for the northbound (uphill) and southbound (downhill) directions. The truck lane in the northbound direction exhibited a 9.5% decrease in volume with 10.7% decrease in emissions, and the southbound direction experienced a 20.3% increase in volume but 7.4% decrease in emissions. For the northbound (uphill) direction, emissions seemed to correlate more closely with traffic volumes while a sensitivity analysis revealed travel speeds had a more profound effect on southbound (downhill) emission rates. In the conclusion section, ideas to further validate the emissions estimate are discussed. Emissions seemed to correlate more closely with traffic volumes (uphill) while travel speeds had a more profound effect on southbound (downhill) emission rates. One factor to be accounted for is the change in volume which seems to play a much larger role in emissions than roadway features or topography.
Published in | American Journal of Traffic and Transportation Engineering (Volume 7, Issue 1) |
DOI | 10.11648/j.ajtte.20220701.13 |
Page(s) | 19-27 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Emissions, Traffic Simulation, VISSIM, MOVES
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APA Style
Edward Tang, Hatem Abou-Senna, Anurag Pande, Robert Bertini. (2022). High-Resolution Modelling of Carbon Dioxide Emissions Before and After the Implementation of a Designated Truck Lane. American Journal of Traffic and Transportation Engineering, 7(1), 19-27. https://doi.org/10.11648/j.ajtte.20220701.13
ACS Style
Edward Tang; Hatem Abou-Senna; Anurag Pande; Robert Bertini. High-Resolution Modelling of Carbon Dioxide Emissions Before and After the Implementation of a Designated Truck Lane. Am. J. Traffic Transp. Eng. 2022, 7(1), 19-27. doi: 10.11648/j.ajtte.20220701.13
AMA Style
Edward Tang, Hatem Abou-Senna, Anurag Pande, Robert Bertini. High-Resolution Modelling of Carbon Dioxide Emissions Before and After the Implementation of a Designated Truck Lane. Am J Traffic Transp Eng. 2022;7(1):19-27. doi: 10.11648/j.ajtte.20220701.13
@article{10.11648/j.ajtte.20220701.13, author = {Edward Tang and Hatem Abou-Senna and Anurag Pande and Robert Bertini}, title = {High-Resolution Modelling of Carbon Dioxide Emissions Before and After the Implementation of a Designated Truck Lane}, journal = {American Journal of Traffic and Transportation Engineering}, volume = {7}, number = {1}, pages = {19-27}, doi = {10.11648/j.ajtte.20220701.13}, url = {https://doi.org/10.11648/j.ajtte.20220701.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajtte.20220701.13}, abstract = {This work seeks to assess the impact of adding a lane for slower trucks on a divided multilane highway on CO2 emissions. A portion of the U.S. 101 highway in San Luis Obispo County in California consists of the Cuesta Grade which is a 2.75-mile segment with a 7% grade. A microsimulation software, VISSIM, was used in conjunction with the Environmental Protection Agency’s emissions model, MOVES, to estimate CO2 emissions on the corridor before and after the construction of the third lane. It was found that CO2 emissions decreased between 1998 (before) and 2012 (after the 2003 lane addition), but the effect of the truck lane was shown to be different for the northbound (uphill) and southbound (downhill) directions. The truck lane in the northbound direction exhibited a 9.5% decrease in volume with 10.7% decrease in emissions, and the southbound direction experienced a 20.3% increase in volume but 7.4% decrease in emissions. For the northbound (uphill) direction, emissions seemed to correlate more closely with traffic volumes while a sensitivity analysis revealed travel speeds had a more profound effect on southbound (downhill) emission rates. In the conclusion section, ideas to further validate the emissions estimate are discussed. Emissions seemed to correlate more closely with traffic volumes (uphill) while travel speeds had a more profound effect on southbound (downhill) emission rates. One factor to be accounted for is the change in volume which seems to play a much larger role in emissions than roadway features or topography.}, year = {2022} }
TY - JOUR T1 - High-Resolution Modelling of Carbon Dioxide Emissions Before and After the Implementation of a Designated Truck Lane AU - Edward Tang AU - Hatem Abou-Senna AU - Anurag Pande AU - Robert Bertini Y1 - 2022/02/09 PY - 2022 N1 - https://doi.org/10.11648/j.ajtte.20220701.13 DO - 10.11648/j.ajtte.20220701.13 T2 - American Journal of Traffic and Transportation Engineering JF - American Journal of Traffic and Transportation Engineering JO - American Journal of Traffic and Transportation Engineering SP - 19 EP - 27 PB - Science Publishing Group SN - 2578-8604 UR - https://doi.org/10.11648/j.ajtte.20220701.13 AB - This work seeks to assess the impact of adding a lane for slower trucks on a divided multilane highway on CO2 emissions. A portion of the U.S. 101 highway in San Luis Obispo County in California consists of the Cuesta Grade which is a 2.75-mile segment with a 7% grade. A microsimulation software, VISSIM, was used in conjunction with the Environmental Protection Agency’s emissions model, MOVES, to estimate CO2 emissions on the corridor before and after the construction of the third lane. It was found that CO2 emissions decreased between 1998 (before) and 2012 (after the 2003 lane addition), but the effect of the truck lane was shown to be different for the northbound (uphill) and southbound (downhill) directions. The truck lane in the northbound direction exhibited a 9.5% decrease in volume with 10.7% decrease in emissions, and the southbound direction experienced a 20.3% increase in volume but 7.4% decrease in emissions. For the northbound (uphill) direction, emissions seemed to correlate more closely with traffic volumes while a sensitivity analysis revealed travel speeds had a more profound effect on southbound (downhill) emission rates. In the conclusion section, ideas to further validate the emissions estimate are discussed. Emissions seemed to correlate more closely with traffic volumes (uphill) while travel speeds had a more profound effect on southbound (downhill) emission rates. One factor to be accounted for is the change in volume which seems to play a much larger role in emissions than roadway features or topography. VL - 7 IS - 1 ER -