Bermuda Auxiliary Cycle Written Test study materials
Bermuda Auxiliary Cycle Written Test study resources

The Left Turn Across a Wet Junction

Bermuda Auxiliary Cycle Written Test · Put your knowledge to work in context.

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The Left Turn Across a Wet Junction

You are riding a scooter southbound on a main road, approaching a junction where you intend to turn left into a side street. It has been raining for an hour and the road is wet. A car is approaching northbound, and a second car is waiting at the side street to pull out. Your front tyre is a budget model with about 1.5 mm of tread left, and your rear brake feels spongy. As you brake for the turn, the front wheel locks briefly on a painted arrow, then regains grip. You are now closer to the junction than you planned and still travelling at about 30 km/h.

1. Diagnose what just happened and what it tells you about your equipment and approach.

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The brief front-wheel lock on the painted arrow is a classic low-grip event: wet paint offers far less friction than asphalt, and a budget tyre with 1.5 mm of tread has little ability to clear water, so it aquaplanes easily. The lock also tells you that you braked too abruptly for the conditions and that your front brake is doing most of the work, which is normal - but the spongy rear brake means you have less ability to balance the braking and stabilise the bike. Together these are a warning: your stopping distance is longer than you assumed, and your margin at this junction is gone. The correct response now is to release and reapply the brake smoothly, keep the bike upright, and abandon the turn if you cannot complete it safely.

2. The northbound car is close. Do you complete the left turn or go straight on?

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Completing a left turn across an approaching northbound car is the higher-risk option, especially with reduced grip and a bike that has just locked a wheel. Turning left requires you to cross the oncoming lane and to lean on a wet surface, which is exactly where your tyre is weakest. If the northbound car is close enough that you would have to hurry, go straight on, even if that means missing your street and finding another route. Straight-line braking on the wet asphalt, with the bike upright, gives you the best chance of stopping or slowing safely. Only turn if the northbound car is clearly far enough away that you can complete the turn at a modest lean without rushing. The waiting car at the side street adds a second reason to be cautious: it may pull out into the space you intend to turn into.

3. What should you do about the tyres and brakes before your next ride?

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Both are defects that should be corrected before you ride again. A front tyre at 1.5 mm of tread is close to or below the legal minimum in many jurisdictions and is inadequate for wet riding regardless; replace it with a properly rated tyre and check the rear as well. The spongy rear brake suggests air in the hydraulic line, worn pads, or a stretched cable, depending on the system - it needs inspection by a competent mechanic, not a roadside adjustment. Until both are fixed, the scooter should not be used in the wet, and arguably not at all. Build a pre-ride check into your routine: tyre tread and pressure, brake feel at the lever, lights, and a quick look at the road surface on your route. Equipment failures like these are predictable and preventable.