The Naas RPU operation was mounted in Maynooth.
A driver in Kildare has been arrested on suspicion of drug driving.
Naas Roads Policing Unit encountered the motorist during a mandatory intoxicants checkpoing on the R148 in Maynooth late on Sunday night.
A road side drug test returned indications for cannabis.
The driver was detained and taken to Leixlip Garda Station.
Gardai say "Blood Specimen Taken and sent for analysis."
Naas Roads Policing Unit were operating an MIT Checkpoint on the R148 Maynooth late last night.
— An Garda Síochána (@GardaTraffic) October 25, 2021
One driver tested positive for cannabis. Arrested and taken to Leixlip Garda Station. Blood Specimen Taken and sent for analysis.#KeepingPeopleSafe pic.twitter.com/9O2lmBNDXq