The Fault Matrix

How the tester's iPad actually works. The mathematical difference between a pass and a 10-week wait.

During the Irish driving test, the RSA examiner isn't arbitrarily deciding if you're a "good" driver. They are operating a strict matrix on an iPad. Every deviation you make is logged into one of three categories: Grade 1, Grade 2, or Grade 3.

To win the game, you need to understand the scoring system. Here is exactly what those grades mean and how many you can afford.

Grade 1

The "Whoops"

A minor deviation. Does not affect the safety of you or others.

  • Example: Stalling the car once but restarting it safely and calmly.
  • Example: Forgetting to check your mirror once on a straight, empty road.
Pass Rule: You can get unlimited Grade 1 faults and still pass, provided they don't form a dangerous pattern.

Grade 2

The Danger Zone

A more serious fault. Potentially affects the safety of others or causes inconvenience to traffic.

  • Example: Incorrect positioning on a roundabout.
  • Example: Failing to yield right of way appropriately at a junction.
  • Example: Coasting (driving with the clutch down).
Rule of 4: 4 Grade 2 faults in the same category = Fail.
Rule of 6: 6 Grade 2 faults under the same heading = Fail.
The Golden Rule: 9 or more Grade 2 faults overall = Fail.

Grade 3

The Walk Home

A potentially dangerous or dangerous deviation. You posed an immediate risk to yourself or others.

  • Example: Driving through a red light or a stop sign without stopping.
  • Example: The tester has to physically intervene (grab the wheel or use dual controls) to prevent a crash.
Pass Rule: Just ONE Grade 3 fault results in an automatic fail. The test continues, but it's mathematically over.

Don't accumulate Grade 2s

Most drivers fail not because of a Grade 3 disaster, but by slowly bleeding points on Grade 2 faults (observation, positioning) at tricky junctions. Knowing the routes reduces cognitive load.

Eliminate the unknown.

Access community-verified, RSA-style routes. Position tracking active. Ready to use.