Paramics Discovery used to assess Low Emissions Zones in Aberdeen

Paramics Discovery used to assess Low Emissions Zones in Aberdeen

Many cities around the UK are exploring the introduction of Low Emissions Zones (LEZs), to reduce carbon emissions and improve air quality. Paramics Discovery is an ideal tool for assessing road network options associated with the introduction of LEZs.

SYSTRA Ltd was commissioned by Aberdeen City Council in August 2019 for professional services to develop a Paramics Discovery microsimulation model of Aberdeen City Centre. The Paramics Discovery model was created to assess options associated with the development of an LEZ in Aberdeen.

The Interim NLEF (National Low Emissions Framework) Stage 2 Appraisal recommended four different LEZ boundary options be assessed using the Aberdeen City Paramics Discovery model. Key performance indicators were collected from the model to establish a preferred option(s). These elements were:
- Network Demand Level & Congestion Areas
- Impact through Air Quality Exceedance Locations
- Alignment with Network Hierarchy
- Car Park Accessibility Impact
- Impact to residential properties within LEZ area


An example of traffic flow analysis on the road network as part of the LEZ assessment in Aberdeen


An example of road network conditions in Paramics Discovery as part of the LEZ assessment in Aberdeen

Operational performance and output statistics from Paramics Discovery were used in tandem with Air Quality Dispersion Modelling and Strategic Traffic Modelling analysis to establish a preferred option and feed into the overall assessment.

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Paramics Microsimulation SYSTRA Ltd, Prospect House, 5 Thistle Street, Edinburgh EH2 1DF
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