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A huge amount of technical effort has been put into computer modelling for transport planning.
The outputs from models is often taken as the definitive expression of future situations and the impact and value of the proposal.
The pursuit of intricate details within the models, the broad generalisations that can be part of the initial structure, the reliance on data that are not comprehensive enough, the absence of allowing for behaviour changes such as people deciding to travel outside the period that is under investigation and an absence in many instances of considering land-use changes. All these factors can result in models taking a long time to develop and produce results.
Furthermore, models are often used to justify in whatever way they can what is already the preferred option.
In this podcast, traffic engineer and transport planner Chris Stapleton, reflects on the practical applications of models and a recent modelling conference he went to and then Professor David Hensher talks of the MetroScan model they produced that can give indicative answers, including land-use implications in about 40 minutes.
This could totally change our approach to how we use the output from models including community consultations.
The outputs from models is often taken as the definitive expression of future situations and the impact and value of the proposal.
The pursuit of intricate details within the models, the broad generalisations that can be part of the initial structure, the reliance on data that are not comprehensive enough, the absence of allowing for behaviour changes such as people deciding to travel outside the period that is under investigation and an absence in many instances of considering land-use changes. All these factors can result in models taking a long time to develop and produce results.
Furthermore, models are often used to justify in whatever way they can what is already the preferred option.
In this podcast, traffic engineer and transport planner Chris Stapleton, reflects on the practical applications of models and a recent modelling conference he went to and then Professor David Hensher talks of the MetroScan model they produced that can give indicative answers, including land-use implications in about 40 minutes.
This could totally change our approach to how we use the output from models including community consultations.
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