Two rapid Covid-19 test centres for truck drivers heading to France have gone into operation.

They have been developed by the Department of Transport, in response to new regulations from the French authorities, at sites outside Gorey, Co Wexford and near Dublin Airport.

Another centre is expected to open outside Wexford town in the coming days.

The new regulations in France, which require all commercial drivers to produce evidence of a negative Covid-19 test on arrival in that country, came into effect overnight.

Hauliers have expressed concern about possible delays heading for ferries in Rosslare and Dublin, because of the need for testing, and say that more facilities should have been available by now.

However, the company carrying out the testing, RocDoc, says it is confident that the centres at the blue long-stay car park at Dublin Airport and at the M11 services area outside Gorey, will have sufficient capacity to deal with all of the drivers who need them.

They are encouraging truck drivers to pre-book their tests online to avoid build-up at the centres.

Drivers can have their test within 72 hours of their journey to satisfy the French rules.

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President of the Irish Road Haulage Association Eugene Drennan criticised the lack of test centres, saying the pre-booking system was "nonsense".

Speaking on RTÉ's Morning Ireland, Mr Drennan also said that a third facility should already be in place, adding that the location of the centre in Gorey is likely to lead to tailbacks and delays.