Carbon impacts of the improvements to Portsmouth’s park and ride scheme

Sihota, Daleep Singh (2015) Carbon impacts of the improvements to Portsmouth’s park and ride scheme. BEng dissertation, University of Portsmouth.

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    Abstract

    The idea for this project titled “The Carbon Impacts of the Improvements to Portsmouth Park and Ride Scheme” was chosen based on previous research on the old park and ride scheme for Portsmouth. Surprisingly, the conclusion to the research was that the service actually had a negative impact on the environment in regards to its carbon emissions. This research therefore aims to investigate the improved park and ride scheme to determine whether the carbon emissions of the park and ride have reduced.

    The change in CO2 emissions from the old park and ride scheme and the improved park and ride scheme were thoroughly investigated. The prediction was that the improved park and ride should produce less CO2 than the old scheme. A questionnaire was carried out and data was gathered from various different sources including FirstGroup plc and Portsmouth City Council. The findings were then compared to previous research to determine the difference between the CO2 ratings of the old and new park and ride schemes.

    The results of the research showed that the improved park and ride overall CO2 emissions had in fact increased by 142.79kg per Saturday service. The reasons behind this may be due to the improved park and ride having a larger capacity therefore attracting more road users to use the service and so causing the net total of CO2 emissions to be higher due to increased usage. Other reasons may be due to the new bus lane giving drivers more confidence that they can get to their destination quicker using public transport and thus again attracting more usage. However, the average CO2 produced per person had decreased by 3.3kg per Saturday service. Reasons for this could include that users may have more fuel-­efficient cars, users may have shorter destinations or a higher patronage on the busses. In regard to the average CO2 produced per car journey to and from the park and ride site per Saturday, there is an improvement in the average from the new park and ride compared to the old park and ride. However, the results also show that the total CO2 produced by park and ride users travelling to and from the park and ride per Saturday has significantly increased, therefore suggesting the improved park and ride is producing significantly more emissions compared to the old park and ride.
    In conclusion, the research has not shown enough evidence to support the idea that the Improved Park and Ride is a benefit to the environment as it is still not doing enough to reduce carbon emissions overall.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Jane Polwin
    Date Deposited: 20 Aug 2015 16:46
    Last Modified: 20 Aug 2015 16:46
    URI: http://eprints.port.ac.uk/id/eprint/18080

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