Traffic jams were reported on the second day of Operation Fanacht - as a special lane for trucks has been introduced.
132 checkpoints have been placed nationwide as part of Level 3 covid restrictions.
From this morning, there was a change to how Gardaí were carrying out Operation Fanacht.
At Junction 6 on the N7 for Castlewarden, and on the M2 at Junction 2 at Blanchardstown a special lane was introduced for trucks.
The new traffic layout was brought in to stop business disruption.
Operation Fanacht - Checkpoint Alterations
This morning alterations have been introduced to two specific designated checkpoints on the N7 (Junction 6) and M2 (Junction 2) only.
The right lane (lane 3) will be available for HGVs only at these checkpoints. Approach with care. pic.twitter.com/88lGgUQhLr— An Garda Síochána (@GardaTraffic) October 8, 2020
Motorists are asked to follow signage and slow down approaching the checkpoints.
Gardaí are continuing to warn people to expect delays over the coming weeks, and to consider whether their journey is really essential.