at a snail's pace

with a very slow rate

The old man was driving along the road at a snail's pace.
The project is moving forward at a snail's pace due to the lack of resources.
The line at the DMV was moving at a snail's pace, and people were getting impatient.
His recovery from the injury has been at a snail's pace, but he's making gradual progress.
The paperwork was being processed at a snail's pace, causing delays in the approval process.