The letters come against the backdrop of another depressing week on Irish roads with multiple fatalities reported by gardaí over the past seven days

Over 4,500 breath tests and 213 oral fluid tests were performed, which led to 149 arrests for driving under the influence of an intoxicant.

In 123 cases where the fines were paid, gardaí said they will issue refunds.

According to gardaí, speeding remains one of the leading causes of road traffic collisions.

So far, 106 vehicles have been detected travelling in excess of the speed limit on National Slowdown Day.

The Gardaí observed a motorist travelling at 174km/h in Waterford. The incident occurred on Sunday afternoon when the Gardaí were carrying out speed checks on the N25.

163 people were arrested for driving under the influence of alcohol and drugs.

This happened on the N4, Culleen Beg, Mullingar, Co. Westmeath.

A Waterford councillor has said locals are being "tormented by boy racers". Cllr Joe O’Riordan said at the January sitting of the Dungarvan-Lismore District Council meeting that he has gotten complaints from residents.

One driver in Co Donegal was detected doing 156km/hr in a 100km/hr zone on the N15 Drumrat

The motorists appeared at a sitting of Letterkenny District Court

Approximately 13,573 drivers were detected for speeding offences by An Garda Siochana and mobile speed camera vans over Christmas.

The total of 630 was a reduction on detection rates during other Slow Down Day campaigns.

In the first ten hours of National Slow Down Day, GoSafe checked the speeds of 112,581 vehicles

Inspector Fergal O’Donovan from the Cork County Roads Policing Unit has warned drink and drug drivers that they will get caught.

The Department for Infrastructure has said a collaboration with the Northern Ireland Road Safety Partnership will be renewed

One driver was detected driving 151km/h in a 100km/h zone on the N4 Clongawny, Mullingar, Westmeath.

In the first five hours, gardaí checked the speeds of 37,777 vehicles

Gardaí are focusing on road safety over the bank holiday weekend

"All of a sudden, parked, hidden, very nice and tidy along a row of parked cars, you have a speed van," he said.

Gardaí recorded the speeds of 9,410 vehicles so far on Monday, with 25 of them going over the speed limit.

One road user was detected travelling at 105kph in a 50kph zone

So far, gardaí have recorded 211 drivers for speeding since 7am on Thursday morning.

Gardaí spotted two young drivers racing on the N25 bypass, who are due to appear in court in relation to the incident.

The England and Manchester City midfielder was caught by a speed trap doing 44mph in a 30mph zone last summer.

More than 750 drivers were caught speeding on National Slow Down Day, including one motorist driving at 194km/h

Three drivers were arrested on suspicion of dangerous driving on National Slow Down Day

The driver was taken to Fermoy Garda Station after testing positive for cocaine

There were two road fatalities from February 1st to 6th

A survey carried out by Easytrip, which included over 4,700 people, highlighted that 93 per cent of Irish motorists are concerned with road safety in Ireland.