A tired driver, a night shift and a broken headlight
It is 11 pm and you have been driving for six hours with short breaks. You are 90 minutes from home on a highway. You feel heavy-eyed and have yawned repeatedly in the last half hour. You notice one of your headlights is not working, so the road ahead is lit unevenly. The speed limit is 80 km/h and you are doing about 70 km/h. A truck ahead is throwing up spray from a damp road, and your windscreen wipers are streaking. You have a spare bulb but no tools beyond a basic kit, and the next service area is 20 minutes ahead. Your phone battery is low.
1. What do the yawning and heavy eyes tell you, and what is the safe response?
Read the worked answer
Repeated yawning and heavy eyes are signs of fatigue, which impairs reaction time and judgement much like alcohol. The safe response is to stop driving and rest, not to push on. The next service area is 20 minutes ahead, so plan to stop there, drink water, and take a proper break or sleep. Opening a window or turning up music does not fix fatigue. Continuing for 90 minutes in this state on a damp road with spray and a faulty headlight multiplies the risk, so the correct decision is to stop at the first safe opportunity.
2. How does the broken headlight and the spray change your driving plan before you reach the service area?
Read the worked answer
One working headlight reduces your view and makes your vehicle harder for others to judge, especially in spray. Slow down below the limit, increase following distance well beyond two seconds so you are not blinded by the truck's spray, and avoid overtaking unless clearly necessary and safe. Use dipped beam correctly and keep the windscreen clear. Because your phone battery is low, decide now to charge it at the service area or note the route in advance, so you are not relying on it in an emergency. The plan is to reach the service area slowly and safely and then stop.
3. At the service area, what should you check and decide before continuing?
Read the worked answer
Check whether you can safely replace the bulb with the kit you have; if not, do not drive at night with one headlight if it can be avoided. More importantly, address the fatigue: a short stop is not enough after six hours. Sleep or rest properly before continuing, charge your phone, and check the wipers and washer fluid. If you cannot rest enough to be alert, arrange alternative transport or wait until morning. The decision to continue should depend on being fit to drive and the vehicle being roadworthy, not on being close to home.