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CPC Bus: Case Study Practice.

Three full practice case studies written by our instructors in the format of the Driver CPC case study exam. On the day you face 3 scenarios with 15 questions each — you need 28 of 45 to pass, with at least 5 correct on every scenario. Work through all three here the same way.

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How the Case Study Exam Works

📖 The format

  • You are given a written scenario about a bus driver's working day
  • 3 case studies, 15 questions each — 45 questions in total
  • Pass mark: 28 of 45, with at least 5 correct per case study
  • Every answer is either in the story or a rule you must know

✅ How to study

  • Read each scenario twice before opening any question
  • Watch for what the driver did wrong and right
  • Tap a question to reveal the answer — the supporting line in the story lights up
  • Finish with the Quick Reference cheat sheet at the bottom

📏 Key numbers to remember

  • Max driving before a break: 4.5 hours
  • Break: 45 min (may split 15 + 30)
  • Records to carry: today + 28 calendar days
  • Per passenger: 65 kg + 15 kg luggage = 80 kg
  • Bus built for standing passengers: max 65 km/h
  • Coach (seated only): max 100 km/h motorway
  • Minimum tyre tread: 1.6 mm
💡 Exam tip: These are practice scenarios written by our instructors — the ones you meet on the day will be different stories, but they test the same knowledge and the same judgement. If you can answer everything here without peeking, you are reading scenarios the way the examiner wants you to.

Practice Case 1 – Dermot

15 Questions
Scenario

Dermot drives a kneeling single-decker on a busy city route. He took the bus over from a colleague at a mid-morning shift change, and because the vehicle was already warm and running he told himself the checks were done. He gave the bus only a quick glance at the tyres and lights instead of a full walk-around check, and he forgot to set the tachograph mode switch before starting on the bus.

At the second stop a passenger in a wheelchair was waiting. Dermot pulled the bus in close to the kerb, applied the parking brake and switched on his hazard lights. In his hurry he lowered the ramp first and then used the kneeling facility. Two shopping bags had been left on the floor of the docking area by other passengers, so Dermot steered the wheelchair around the bags into position. He then returned to his cab and drove off, forgetting to apply the wheelchair's brake.

By late morning the bus was busy, with 40 passengers on board, many of them carrying shopping. Dermot worked out roughly how much weight he was already carrying before deciding whether he could take a waiting school group at the next stop.

An elderly woman boarded and paid her fare. Dermot signalled and pulled away while she was still walking down the aisle, and she stumbled against a seat rail. Further on, temporary traffic lights at roadworks appeared around a bend sooner than Dermot expected and he had to brake hard, sending a shopping bag sliding up the aisle.

Near the end of the route Dermot was stopped at a Garda checkpoint. The Garda asked for his licence, his CPC card and his driver records. Walking around the bus, the Garda pointed out that the nearside rear tyre was worn almost smooth across the centre of the tread. A vehicle inspector was called to examine the bus, and the bus was detained until the tyre had been replaced. Dermot's employer had to arrange a replacement bus and passengers were left waiting at stops along the route.

🔑 Key themes: Walk-around checks at shift change, tachograph mode switch, wheelchair boarding order (kneeling first → ramp), docking area kept clear, passenger weights, moving off safely, tyre condition, Garda and RSA inspector powers.
Questions & Answers
Q1. What should Dermot have completed when he took the bus over at the shift change?
A full daily walk-around check. Taking over a vehicle at a shift change does not remove the duty — the checks must be done by the driver who takes the bus out.
Q2. What mode should the tachograph be set to while a driver carries out checks and other duties before driving?
Other work ⚒. Walk-around checks, loading and paperwork are working time, not driving and not rest.
Q3. What is the correct order when boarding a wheelchair user — kneeling facility or ramp first?
Use the kneeling facility first, then lower the ramp. Dermot did it the wrong way round.
Q4. What should Dermot have done about the shopping bags in the docking area?
Asked the owners to remove them before positioning the wheelchair. The docking area must be kept clear — it is reserved for wheelchair users.
Q5. What did Dermot forget to do before driving off with the wheelchair user on board?
Apply the wheelchair's brake and make sure the chair was properly secured in the docking area.
Q6. What weight should Dermot allow for the 40 passengers on board?
3,200 kg. Allow 65 kg per passenger plus 15 kg of luggage each — 80 kg per passenger in total.
Q7. What should Dermot check before moving off from a stop?
His nearside mirror for anyone running for the bus, and that all passengers are seated or holding on before he pulls away.
Q8. Whose fault was it that the elderly passenger stumbled?
The driver's fault. He moved off before she had reached a seat.
Q9. Which documents was the Garda entitled to ask Dermot for?
His driving licence, his CPC card and his driver records for the current day and the previous 28 calendar days.
Q10. What is the minimum legal tread depth for the tyres on Dermot's bus?
1.6 mm. A tyre worn smooth across the centre of the tread is well below the limit and should have been picked up in the walk-around check.
Q11. Who did the Garda call to examine the bus?
An RSA vehicle inspector.
Q12. What powers does the vehicle inspector have on finding a defect like this?
They can place a prohibition order preventing the vehicle moving, or require a CVRT re-test at an approved test centre.
Q13. What effect could the detention have on Dermot's employer?
Damage to the company's reputation, the cost of a replacement bus, and passengers left stranded — as well as possible prosecution.
Q14. When Dermot braked hard, which way were passengers and loose items thrown?
Forward. That is why loose luggage should never stand in the aisle and why passengers should be seated before the bus moves.
Q15. How often should the brakes on the bus be checked?
Daily, before driving — and the checks should be repeated when a driver takes over a vehicle at a shift change, exactly the step Dermot skipped.

Practice Case 2 – Tomasz

15 Questions
Scenario

Tomasz drives a 53-seat coach that is not designed to carry standing passengers. This morning's job was an airport transfer, and he started driving at 05:00. The luggage went into the underfloor lockers, but one passenger insisted on keeping a heavy holdall with him and it was left standing in the aisle beside his seat.

Roadworks on the way out of town cost twenty minutes, and once on the motorway Tomasz pushed the coach up to 110 km/h to make up the time. By 09:30 he had still not taken a break.

The steering wheel began to vibrate, and moments later the front nearside tyre burst. Tomasz took a firm hold of the steering wheel with both hands, checked his mirrors, signalled left and steered a steady course onto the hard shoulder. Once stopped, he switched on the hazard warning lights, told the passengers what had happened and asked them to remain seated, put on his high-visibility vest, placed his warning triangle well behind the coach and phoned his base.

One passenger stood up and demanded to be let off to stretch his legs and smoke. Tomasz explained in a calm and reassuring manner that the traffic alongside was passing at motorway speed and that for everyone's safety the passengers needed to stay on board. The man grumbled but sat back down.

While waiting, Tomasz counted the passengers, noting one wheelchair user, and passed the numbers to his base so the right size of replacement coach could be sent. When it arrived he kept the passengers informed, gave precise instructions, escorted them across to the replacement coach, helped the wheelchair user off last and transferred the luggage himself.

🔑 Key themes: Coach speed limits, driving hours and breaks, luggage stowage, front tyre blowout procedure, stopping on the hard shoulder, keeping passengers on board, managing an upset passenger, counting passengers, transfer to a replacement vehicle.
Questions & Answers
Q1. What is the maximum permitted motorway speed for a coach not designed to carry standing passengers?
100 km/h. At 110 km/h Tomasz was breaking the limit for his vehicle even though cars may travel at 120 km/h.
Q2. How long may Tomasz drive before he must take a break?
4.5 hours. Having started at 05:00, he was due a break by 09:30 at the latest.
Q3. Must the break be taken in one piece?
No. The 45-minute break may be split into a 15-minute break followed by a 30-minute break, in that order.
Q4. Why was the holdall in the aisle a danger?
Under braking it would be thrown forward along the aisle, could injure passengers and could block the exit. Luggage belongs in the lockers or racks.
Q5. What is the correct response to a front-wheel blowout?
Hold the steering wheel firmly with both hands, check the mirrors, signal left and steer a steady course to the left-hand side of the road — exactly what Tomasz did.
Q6. Where should the coach be stopped after a blowout on a motorway?
On the left — the hard shoulder. Never cross to the right or stop in a live lane if it can be avoided.
Q7. What should the driver's first actions be once the coach is stopped?
Switch on the hazard lights, tell the passengers what is happening and ask them to remain seated, put on the high-visibility vest, place the warning triangle a suitable distance behind if safe, and inform base.
Q8. Why must the passengers stay on board?
Alighting would put them on foot beside traffic passing at motorway speed. If one gets off, others will follow, and someone is likely to be hurt.
Q9. How should a driver deal with a passenger who is upset or angry?
In a calm and reassuring manner. People can become aggressive when upset, and the driver's tone should defuse the situation, not inflame it.
Q10. Why did Tomasz count the passengers?
To tell base what capacity of replacement coach was needed and to make sure every passenger is accounted for when leaving the scene.
Q11. Should the wheelchair user leave the coach first or last?
Last. Passengers with disabilities are helped off after the other passengers.
Q12. What danger does the flailing rubber of a burst tyre create?
Brake lines could be severed, and large pieces of rubber could injure other road users.
Q13. What driver records must Tomasz carry with him?
Records for the current day and the previous 28 calendar days. A driver who holds a digital tachograph card must carry it at all times, even when driving a vehicle with an analogue tachograph.
Q14. What effect did driving at 110 km/h have besides breaking the limit?
A longer stopping distance and higher fuel consumption — and it would not have recovered more than a few minutes on the journey.
Q15. How should passengers be moved to a replacement coach beside a motorway?
Keep them informed at all times, give precise instructions, and escort them to the replacement vehicle if necessary.

Practice Case 3 – Aoife

15 Questions
Scenario

Aoife drives a double-decker city bus that is designed to carry standing passengers. Her afternoon run carries commuters and a large group of schoolchildren, and by four o'clock she had a full load of seated passengers and several people standing. On the dual carriageway section of her route she held the bus at 65 km/h while cars passed her at 100 km/h.

Turning left off the carriageway, Aoife took the corner faster than she meant to and the standing passengers were pushed over to the right, grabbing the rails. She checked the lower saloon in her mirror but did not check the upper deck.

A few stops later a passenger reported a smell of burning from the back of the bus. Aoife pulled in and stopped, told the passengers what she was doing, operated the master switch and the fuel cut-off, and asked everyone to leave through the front door. She then took one of the bus's two dry chemical fire extinguishers and dealt with a smouldering rear tyre before it could take hold.

Checking the empty bus afterwards, Aoife found a rucksack with no owner on the back seat. She did not touch it, and contacted her depot to report it in case it was a security threat. It turned out to belong to one of the schoolchildren.

The bus was cleared to continue, but a diversion took Aoife off her usual route towards a stone arch bridge with a height restriction sign of 4.4 metres. She knew her bus stood 4.2 metres tall, and she remembered that on an arch bridge the signed height is only available over the width of the arch marked by the goalpost markings, so she slowed right down and kept the bus inside the goalposts as she passed under. Back at the depot she recorded the tyre fault in the company's fault reporting book.

🔑 Key themes: Standing-passenger speed limits, cornering forces, upper deck checks, fire procedure (evacuate → master switch → fuel cut-off), primary emergency exit, extinguishers, unattended baggage, arch bridges and height signs, defect reporting.
Questions & Answers
Q1. What is the maximum permitted speed of a bus designed to carry standing passengers?
65 km/h — even on a motorway or dual carriageway where other traffic may travel much faster.
Q2. Which way were the standing passengers thrown on the left turn?
To the right. Passengers are always thrown to the outside of the turn.
Q3. Which passengers are most at risk when a bus corners too fast?
Standing passengers and passengers on the upper deck — they feel the forces most and have the furthest to fall.
Q4. What did Aoife fail to do after taking the corner too fast?
Check the passengers on the upper deck. Someone could have fallen there without her knowing.
Q5. What are the first actions when fire is suspected on a bus?
Stop in a safe place, inform the passengers of what is happening, turn off the electrical master switch and the fuel cut-off, and get everyone off the bus — only then deal with the fire.
Q6. What is the primary emergency exit on a bus?
The front door.
Q7. How many fire extinguishers does a bus carry, and what type?
Two dry chemical extinguishers, effective on both fuel and electrical fires.
Q8. What is the correct response to unattended baggage on a bus?
Do not touch it. Contact the depot and report it — it must be treated as a possible security threat until proven otherwise.
Q9. Why did Aoife keep the bus inside the goalpost markings at the arch bridge?
On an arch bridge the signed height is available only over a certain width of the arch, and that width is shown by the "goalposts". Outside them the arch is lower than the signed height.
Q10. What does a 4.4 m height restriction sign warn of?
A low bridge ahead. A vehicle taller than the posted height must not attempt to pass under it.
Q11. What should a driver do about a defect found during the day?
Record it in the company's fault reporting system so it is fixed before the vehicle is used again — as Aoife did at the depot.
Q12. Why is a double-decker more likely to roll than a single-decker?
Its higher centre of gravity. Tall vehicles must slow down for bends, corners and roundabouts.
Q13. What weight should be allowed per passenger when calculating loading?
65 kg per passenger plus 15 kg of luggage — 80 kg in total. Roughly 15 passengers make a tonne.
Q14. What following distance should a bus keep on a wet road?
The 4-second rule. A large vehicle needs at least a 4-second gap even in good conditions, because of its greater weight and momentum — and more again on wet or icy roads.
Q15. Why do schoolchildren near bus stops need special care?
They are unpredictable and may run out from the footpath or cross in front of the bus. Check the nearside mirror carefully before moving off.

Quick Reference: Cheat Sheet

📋 Key Facts for the Exam

⚡ Speed limits

  • Bus built for standing passengers: max 65 km/h
  • Coach, seated only: 100 km/h motorway & dual carriageway
  • Coach, seated only: 80 km/h national roads
  • General motorway limit for cars is 120 — buses never follow it

⚖️ Weights

  • Per passenger: 65 kg + 15 kg luggage = 80 kg
  • 15 passengers ≈ 1 tonne
  • GVW = unladen + passengers + luggage + fuel

🕐 Hours & tachograph

  • Max driving before break: 4.5 hours
  • Break: 45 min, or split 15 + 30
  • Records: today + 28 calendar days
  • Walk-around check = Other work ⚒
  • Digital card: carried at all times

♿ Wheelchair: correct order

  • 1. Pull close to kerb, parking brake on
  • 2. Kneeling facility FIRST
  • 3. Then lower the ramp
  • 4. Docking area kept clear
  • 5. Secure the chair, apply its brake
  • 6. Disabled passengers get off LAST
TopicKey answer
Tyre tread minimum1.6 mm
Blowout: where to stopFirm grip, mirrors, signal left, steady course to the LEFT shoulder
Breakdown: passengersRemain on board — never onto a live carriageway
Fire: first actionsStop → passengers off → master switch + fuel cut-off → extinguisher
Primary emergency exitFront door
Extinguishers2 × dry chemical — fuel and electrical fires
Unattended baggageDon't touch — contact depot, treat as possible security threat
Left turn → passengers thrownTo the RIGHT (outside of the turn)
Braking → passengers thrownForward
Double-decker riskHigh centre of gravity — slow for bends and roundabouts
Arch bridgeHighest at the centre — obey the posted height
Following gap, large vehicleAt least 4 seconds — more on wet or icy roads
Documents at a checkpointLicence, CPC card, records (today + 28 days)
RSA inspector powersProhibition order or CVRT re-test at an approved centre
Defects found in serviceRecord in the company fault reporting system
Upset passengersCalm, reassuring manner — never inflame the situation
✅ Final reminder: Read the scenario at least twice. Most answers are in the story — look for what the driver did wrong, what they should have done, and the consequences. The rest are the numbers in the cheat sheet above. Good luck! 🍀

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