Part 1 Format, Official Sources and Certificates
DVSA Part 1a and 1b booking, pass rules, two-year completion window, theory-certificate validity and the official LGV revision sources.
How to prepare for DVSA LGV Part 1
Apply large-vehicle thinking to every rule: know the vehicle and load, scan farther ahead, protect blind areas and stopping space, and keep legal records and CPC obligations in the correct test stage.
Core concepts
Concept 1
Part 1a and Part 1b are booked separately and may be taken in either order or on the same day.
Exam cue: Keep Part 1a knowledge and Part 1b moving-clip skills as distinct preparations.
Concept 2
Both parts must be passed within two years of each other to receive the theory certificate.
Exam cue: Calculate certificate deadlines from the first Part 1 pass.
Concept 3
DVSA bases Part 1a on The Highway Code, Know your traffic signs and The Official DVSA Guide to Driving Goods Vehicles.
Exam cue: Use the current DVSA Great Britain route rather than a Northern Ireland DVA page.
Risk pitfalls and guardrails
Treating Part 1a and Part 1b as one booking.
Guardrail: Do not apply car-scale assumptions to an LGV; account for mass, dimensions, blind areas, load and the applicable compliance regime.
Assuming one passed component remains valid indefinitely.
Guardrail: Do not apply car-scale assumptions to an LGV; account for mass, dimensions, blind areas, load and the applicable compliance regime.
Using Part 2 case-study material as the official Part 1 blueprint.
Guardrail: Do not absorb Driver CPC Part 2 case-study format or content; it belongs to the separate driver-cpc-part-2-lgv tracker row.
Memory anchors
One A Knowledge
Part 1a is 100 multiple-choice questions with 85 required.
One B Hazards
Part 1b is 19 clips with 20 scoring hazards and 67 of 100 required.
Either Order
Book the components separately and take them in either order.
Two Years Together
Pass both Part 1 components within two years of each other.
Three Core Sources
Use The Highway Code, Know your traffic signs and the DVSA Goods Vehicles guide.
Theory Enables Practical
The Part 1 certificate is needed for Parts 3a and 3b.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
How many questions are in the current DVSA LGV Part 1a multiple-choice test?
What is the current pass mark for LGV Part 1a?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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