Peak Rider World
Tuesday, January 20, 2026
Welcome!
Friday, December 22, 2023
Swiss Cheese, and its role in Motorcycle Safety
Who doesn’t like cheese? Whether the milk product comes from cows, sheep, goats or camels, people the world over treasure thousands of mouth-watering varieties. Heck, even non-dairy vegetablists happily consume products labeled as cheese.
For the sake of this discussion, we’ll zero in on Swiss cheese. What? What does Swiss cheese have to do with motorcycle safety? Almost nothing actually; it’s the holes we should be worried about.
But first, let’s look at an actual on-road motorcycle incident which occurred in September 2019. It happened on a sunny day at a minor junction on a straight stretch of clean, dry road. Beyond the riders involved - a tour group - there was no other traffic on the scene at the time. Interestingly, every one of the people involved were competent high-mileage riders who had benefitted from on-road advanced rider training. Thankfully, although one motorbike was too damaged to continue, no one was seriously injured.
No. 1 was the group leader. Before turning right into the sideroad and parking area he did not signal to the rider immediately behind to mark the junction. He assumed that those who were following saw him exiting the main road and would simply follow. The error? The leader did not properly assign the task, and a specific spot, for marking the turn-off.
The rider of bike #2, aware that some remaining riders were well back, stopped in this location to mark the junction. The error? This person was partially out of the sight of following riders.
Rider #3, upon catching up with the first few riders, did not immediately see #2 marking the junction, nor other riders already stopped in the parking area. A split second later #3 did see either the junction marker, or the riders in the parking lot, commenced very hard braking and came to a complete stop in their lane. The error? Not first taking rear observation, such as a mirror check, before (hard) braking.
No. 4, whose focus was on #3, was able to react and brake in time to avoid colliding with #3. Rider 4’s error? None, although rather unfortunately this rider received the biggest battering.
Rider #5, whose initial focus was on riders #3 and #4 ahead, became momentarily distracted by the riders in the parking area, at exactly the same moment as #3 began braking very hard. As a result, #5 was not left with sufficient time to change direction, reduce speed, and avoid careening into #4 and #3. No. 5’s error? Removing their focus on the most immediate hazards; the riders ahead.
So, what do holes in cheese have to do with this accident? It illustrates the Swiss cheese model of accident causation, originally formally advanced by Dante Orlandella and James T. Reason of the University of Manchester. The model is used in risk analysis and risk management, including aviation safety, engineering,
healthcare, and as the principle behind layered security.
In the Swiss Cheese model, defenses against failure are modeled as a series of barriers, represented as slices of cheese. The holes in the slices represent weaknesses in individual parts of the system and are continually varying in size and position across the slices. The system produces failures when a hole in each slice momentarily aligns, permitting, in Reason's words*, "a trajectory of accident opportunity", so that a hazard passes through holes in all the slices, leading to a failure. (source: Wikipedia)
In the accident scenario illustrated above, none of the small errors, on their own, were enough to cause the accident. It was only because they all lined up at the same time, that the mishap occurred. There was a very linear “trajectory of accident opportunity". Remove any of the seemingly small errors and this incident would never have happened.
What can we learn from this? That very small changes at initial stages can create significantly different outcomes further along. A misjudged lane position, inappropriate speed for road and traffic conditions, a missing observation, a momentary lapse of attention or a distraction may or may not make much difference on its own. However, depending on timing, and the opportunity holes lining up, we can all too easily find ourselves at the point of failure - an accident.
So, whether you’re planning to visit England’s Cheddar Gorge, the Roquefort caves in France, or the village of Gouda in the Netherlands, be alert to Swiss cheese holes. Although not shown on any Michelin roadmap, they’re everywhere.
* source: Wikipedia
Michael Moloney ©2019
peakrideradventure.com
Tuesday, August 22, 2017
U-Turns as the Way Forward
Slow speed riding comprises a specific set of skills requiring plenty of practice. We should always be able to ride at slow speeds with confidence, especially in urban areas, in order to:
- travel slowly with prevailing traffic
- make tight turns in narrow streets
- make U-turns
- manoeuvre in confined spaces, such as garages and parking areas
- filter – move safely between lanes of stationary traffic (when legal)
Keys to confident slow-speed riding include: Observation – in particular, road surface and camber; Balance – keeping in mind your bike’s load; and, as ever,
Specific machine control skills include:
- using the brakes with a bias to the rear. The rear brake is your best friend in slow-speed manoeuvres
- slipping or ‘feathering’ the clutch at times to keep revs up and prevent the engine from stalling
- staying relaxed. Tension reduces your ability to steer or lean, at any speed. Breathe
One of the best ways to look like a numpty on our bike is to display incompetency at low speeds. Dropping both legs like outriggers often indicates that a rider is not in complete control. As with any other riding skill honest self-assessment is the key to moving forward, and regular practice is essential.
Which aspects of low-speed manoeuvring do you find more difficult? Find a safe environment and take opportunities to practise any manoeuvres at which you feel less confident. Consider visiting a local learn-to-ride school to observe how these skills are taught or, speak a properly qualified trainer.
Confidence and competence at low-speeds manifests itself at all speeds. Be your inner tortoise, before unleashing your outer hare.
Wednesday, March 29, 2017
The Road to Dorkdom
Mike Moloney ©2015
Tuesday, October 6, 2015
Fast and Furious?
It's a fact that some riders will negotiate bends more swiftly than others. This may be due to higher levels of competence and confidence, an easier to ride machine or a combination of these. While they may appear to be riding much faster they are simply carrying a more constant speed through bends. They are not slowing down as much on bend entry and then having to recover their previous pace when the road opens up.
If someone feels some sort of a need to 'keep up' it is a choice they are making, either consciously or unconsciously. A motorcycle's speed is completely dependent on the input of its operator. Only the individual rider can adjust their speed to what is appropriate for them in the circumstances. It is completely and utterly their responsibility and most importantly, their choice.
© Mike Moloney 2015
Tuesday, July 21, 2015
The Roadcraft Files - "I Made Eye Contact...Right Before We Collided."
Mike Moloney ©2015
The Roadcraft Files - Every Day is a School Day
Mike Moloney © 2015