Development of micro-simulation VISSIM model of the proposed Leopardstown Roundabout Signalisation and Link Road Scheme to determine potential impacts of proposed development in the South County Business Park. Tasks included review and assessment of previous Land Use and Transport Studies (LUTS), development of PTV VISSIM model of proposed signalised junction including undertaking traffic counts, assessment of future flows, junction capacity assessment including testing of various development plan scenarios, and development of mitigation measures. Tasks also included development of TTA, construction stage management plan, liaison with County Council departments and preparation of Mobility Management Plan.