Implementation of Bus Rapid Transit in Copenhagen: A Mesoscopic Model Approach

Jesper Bláfoss Ingvardson, Jonas Kornerup Jensen

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    Abstract

    Bus Rapid Transit(BRT) has shown to be an efficient and cost-effective mode of public transport, and has gained popularity in many cities around the world.To optimise the operations and infrastructure it is advantageous to deploy transportmodels. However, microscopic models are very inefficient for large scale corridors due to the vast amount of data and resources required.Hence, it is relevant to investigate how to model and evaluate BRT efficiently.In this paper the effects of implementing BRT in Copenhagen is discussed including how to evaluate and model bus operations.For this purpose, a mesoscopic simulationmodel is developed. In the model busoperations are modelled on a microscopic level whereas the interactions with other traffic are modelled macroscopically.This makes it possible to model high-frequency bus services such as BRT lines in more details without the time consumption of micro-simulation models.The developed model is capable of modelling bus operations in terms of travel time and reliability including important mode-specific issues such as bus bunching.The model is applied to a BRT project proposal with different combinations of BRTelements. The model results show that infrastructure upgrades (busways and enhanced stations) ensure a reduction to traveltime whereas no improvements to reliability occur. Upgrades to technology and serviceplanning (pre-paid fare collection, boarding and alighting from all doors, special BRT vehicles, ITS, and active bus control) ensure an increase in service reliability whereas only small reductions to travel time are observed. By combining all BRT elements it is possible to obtain synergies where the improved reliability due to planning and technology elements makes it possible to utilise the infrastructure optimally. Hence, it is possible to increase commercial speed from 14.8to19.9km/h and service reliability in terms of headway time regularity from 46% to 84% aggregated on both directions for the morning peak period making the implementation of BRT feasible from a pure financial point of view.
    Original languageEnglish
    JournalDanish Journal of Transportation Research - Dansk tidskrift for transportforskning
    Number of pages17
    ISSN1903-1092
    Publication statusPublished - 2012
    EventTrafikdage på Aalborg Universitet 2012
    - Aalborg, Denmark
    Duration: 27 Aug 201228 Sep 2012
    http://www.trafikdage.dk

    Conference

    ConferenceTrafikdage på Aalborg Universitet 2012
    Country/TerritoryDenmark
    CityAalborg
    Period27/08/201228/09/2012
    Internet address

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