Robert Troy (Longford-Westmeath, Fianna Fail)
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1857. To ask the Minister for Transport, Tourism and Sport the estimated reduction in the number of cars on the road nationally and in Dublin during summer months when schools and universities are closed. [27673/17]

Shane Ross (Dublin Rathdown, Independent)
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Any estimation of the number of cars using our roads, either on a national basis or just in the Greater Dublin Area, whether during a particular period or not, would involve the use of traffic count surveys and is entirely a matter for each local authority. I have no role in the matter.