DVSA publishes detailed fault data from every practical driving test administered in the UK. The same categories appear at the top of the list year after year with remarkable consistency — which tells you something important: the reasons people fail the driving test are not random bad luck. They're predictable. And if they're predictable, they're preventable.
The national pass rate sits at around 47 to 48 percent. More than half of all candidates who sit the practical test fail it. Most of them fail in categories they could have identified and addressed in advance if they'd known what to look for.
How faults are classified — and why it matters
A serious fault fails the test immediately. One is enough. A dangerous fault is a serious fault that created actual danger — one where the examiner had to intervene or the situation was genuinely hazardous to another road user. A minor fault doesn't automatically fail the test, and you can accumulate up to fifteen without failing. But three identical minors in similar situations can be upgraded to a serious fault by the examiner — the logic being that a repeated pattern of the same mistake represents a genuine deficiency rather than an isolated error.
Understanding this matters for preparation. If your instructor tells you that you keep rolling through junctions very slightly — not dangerously, but consistently — that pattern of minors is exactly what gets upgraded on test day when pressure is higher and the margin between minor and serious contracts.
Junctions — observation
This is where more driving tests are lost than anywhere else, and it's been that way for as long as DVSA has published the data. The examiner doesn't need to see a near-miss. Pulling out from a junction when a vehicle at a distance had right of way and would have needed to adjust its speed — even if that vehicle was 200 metres away and there was plenty of time — is enough for a serious fault. The examiner is assessing whether the situation was objectively clear, not whether disaster was averted.
The fix is deceptively simple in theory and genuinely difficult in practice under test conditions. Slow down more at junctions than feels natural. Make your head movements to both sides obvious and deliberate rather than a quick eye flick. Only commit to emerging when you are certain, not when you think you're probably fine. A half-second of additional waiting at a junction costs you absolutely nothing, and it removes the margin for error that most junction failures involve.
Mirrors — change of direction
Every time you change direction — lane change, turning at a junction, pulling out from a parked position, overtaking — the examiner expects to see you check your mirrors before committing to that movement. The mirror check must come before the action, not simultaneously with it and certainly not after.
Many candidates believe they're checking mirrors when they're moving their eyes only. The examiner is sitting directly alongside you and can tell the difference between a genuine mirror check and an eye movement that vaguely resembles one. Make mirror checks obvious: your head should actually turn toward the mirror being checked. On test day, under pressure, candidates who have genuinely built the mirror-signal-manoeuvre sequence into muscle memory are at a significant advantage over those who know the sequence intellectually but perform it inconsistently.
Control — steering
Steering faults show up as coarse corrections, gradual drifting across a lane without self-correction, or mounting a kerb during a manoeuvre. The underlying cause is almost always the same: the driver is looking too close to the front of the car. When your eyes are fixed on the tarmac twenty metres ahead, small deviations accumulate and compound before you notice them. By the time you do notice, the correction required is coarser than it would have been if you'd spotted the drift earlier.
Looking further up the road — at least to the point where you want the car to be in three or four seconds — allows the steering to find its own natural fluidity. It's the same technique used on motorways to maintain lane position without conscious effort. On narrower roads and during manoeuvres, looking at your reference points rather than immediately at the kerb reduces the white-knuckle corrections that generate steering faults.
Junctions — turning right
Right turns are separately classified from general junction observation because they generate specific and consistent failure patterns. Cutting the corner on the turn — shortcutting across the junction rather than following the correct arc — is one. Not checking for cyclists in the road being joined, or pedestrians who are crossing the road you're turning into, is another. And the third is positioning: candidates who aren't positioned slightly right of centre before a right turn often make the turn without giving themselves enough room, which creates the corner-cutting the examiner marks.
The correct sequence for a right turn is positioning slightly right of centre approaching the turn, waiting for a safe gap in oncoming traffic, checking for pedestrians on both the road you're leaving and the road you're joining, and making the turn in a proper arc that keeps you to the correct side of the road throughout. All of this is taught — the failure comes from candidates who know the sequence but haven't drilled it enough for it to feel automatic when they're nervous.
Mirrors — signalling
The correct sequence is look, signal, manoeuvre — the mirror check must come before the signal, not at the same time. Candidates who signal while already changing direction have inverted the sequence. The signal has to inform other road users of your intention before you act on that intention, which means the mirror check that confirms it's safe to signal must precede the signal itself.
This fault often appears in candidates who have learned to signal reliably but not to check first. In those cases, the signal is present but it's not part of the correct decision-making sequence — it's been learned as a physical action (signal before turning) rather than as a safety check (look, then signal to inform others, then turn).
Response to signs — traffic lights
Amber means stop, unless stopping safely is not possible. The examiners' interpretation of "not possible to stop safely" is considerably narrower than most learners expect. If you can slow to a smooth stop before the stop line without harsh braking, you should stop. Driving on through an amber light because you were close to the line and made a snap judgment is the common failure — candidates tend to misjudge how much room they have to stop comfortably.
The secondary version of this fault is stopping over the stop line, or creeping into a yellow box junction and becoming trapped because the traffic on the other side didn't clear as expected. Box junction rules are specific: you cannot enter unless your exit is already clear. The test rewards candidates who stop at the box junction entrance rather than those who inch forward optimistically and get caught.
Move off — safely
Moving off without proper observation — specifically without checking the blind spot over the right shoulder before pulling away from the kerb — appears in the top ten year after year. It comes up time and again because candidates do the routine — mirrors, signal — and then move off without the final blind spot check that confirms nothing is approaching in the space the mirrors don't cover.
Every time you've stopped and need to rejoin moving traffic, the complete sequence applies: check mirrors, signal, check the blind spot over the right shoulder, then move. The blind spot check is not optional at low speeds. A cyclist passing at 15mph covers twenty metres in under three seconds — precisely the gap that looking in mirrors but not the blind spot creates.
Positioning — normal driving
Drifting toward the centre line on bends, hugging the left edge excessively, or straddling lane markings on dual carriageways are all positioning faults. Good road positioning should be consistent and natural — not a series of corrections but a line that stays where it belongs without effort. Candidates who are anxious often tense up on the wheel, which produces small but persistent positioning irregularities that the examiner notes as a pattern rather than a single incident.
Reverse parking
Both parallel parking and bay parking generate consistent fault volumes, and both fail for the same underlying reason: candidates rush the initial positioning and then can't recover cleanly. The speed for any parking manoeuvre should be creeping — the slowest controlled forward movement the car will make. At that pace you have time to process observations all around the car, assess your reference points, make small steering adjustments, and stop cleanly before anything goes wrong. Speed is the enemy of parking manoeuvres on a driving test. Examiners don't penalise you for being slow.
Pedestrian crossings
Failing to give way to a pedestrian who is on or clearly stepping onto a zebra crossing, or hesitating and then proceeding when a pedestrian had clearly committed to crossing — both generate serious faults. The rule is unambiguous: if a pedestrian is on the crossing or stepping onto it, stop. Hesitation followed by going anyway is actually more likely to generate a fault than either clearly stopping or cleanly proceeding when the crossing is genuinely clear, because hesitation creates ambiguity that the pedestrian and the examiner both read as a safety failure.
What to do with this list before your test
Go through these ten categories with your instructor and ask them to watch specifically for each one during your practice sessions. Most candidates have one or two areas where faults cluster — not because they're worse drivers than anyone else, but because habits embed themselves and become invisible to the person who has them. Your instructor can see things from outside the car that you cannot notice from inside it.
Knowing your specific weak spots before the test and targeting them deliberately in the final lessons is the highest-value preparation available. The candidates who pass aren't necessarily the most naturally talented — they're the ones who arrived at the test centre knowing exactly which situations to give extra attention and had practised handling those situations until the response was reliable.
Also see: Manoeuvres: Parallel Parking, Bay Parking & Emergency Stop | What Happens If You Fail Your Driving Test | Choosing a Driving Instructor