They were stopped at a checkpoint in Tullamore.
A motorist told Gardaí in Offaly they were making an essential journey to Galway to buy a pregnancy test.
The driver was travelling from Mullingar on the N52 when they were stopped at a checkpoint in Clonminch, Tullamore.
Gardaí say the driver also needed a sat nav.
They are reminding people to make only essential journeys and to try and shop locally.