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Modelling (transport)


The aim of the SUMP Glossary is to provide a brief explanation of specialist words, terms and abbreviations relating to the subject of sustainable urban mobility planning. The Glossary has been prepared by the CH4LLENGE project and as a result, there is a particular focus on defining terms relating to the four key challenges of plan development studied by the project, namely: participation, cooperation, measure selection and monitoring & evaluation. It is envisaged that, over time, the international community of mobility practitioners will add to the content of the online Glossary and produce versions in different languages.
A simple structure has been followed so that users can search for words, terms and abbreviations in a standard alphabetic format. For each Glossary term, the following information is provided:
• a general definition and, where available, a specific definition relating to transport and mobility planning;
• an explanation of why the term is relevant to sustainable urban mobility planning; and
• references to sources.
The preparation of the Glossary, including the selection of terms and drafting of definitions, has been informed by a review of relevant reports, guidance documents and existing glossaries. The key reference is the European Union “Guidelines - Developing and implementing a Sustainable Urban Mobility Plan” prepared for the EC’s Intelligent Energy Europe (IEE) programme by Rupprecht Consult (January 2014) and therefore this has not been identified as a source throughout the document. The outputs of the CH4LLENGE project have also provided a principal source of information and the official documents can be found at www.sump-challenges.eu.

Please note that not all the explanatory text is taken directly from the listed sources. The authors have sought to take established definitions and information as the basis and explain these in simple terms and relate them to the context of sustainable urban mobility planning where this was not previously the case.

By Admin Eltis / Updated: 28 May 2019

Definition – Transport modelling is a mathematical representation of transport demand and resulting trips, based upon economic, municipal, household and transport datainfo-icon and projections, and using formalised behaviour hypotheses and assumptions. Traffic models are used to analyse and forecast the traffic situation and to predict the outcomes of transport strategies. This can include the identification of potential congestion “hotspots” within the transport system.

Relevance to SUMP – Practitioners are advised to use both modelling and qualitative analysis to support scenarioinfo-icon appraisalinfo-icon and measureinfo-icon selection. In doing so, however, transport modellers need to be sure that input parameters are appropriately set in the model to ensure the accurate measurement of all modes – including cyclists and pedestrians.

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