Fighting Fatigue on the Road: What the Latest Research Means for Fleets

Fatigue: As Dangerous as Drink-Driving

What makes fatigue so dangerous is its invisibility. A driver may appear fine, but slowed reactions, poor judgement and even micro-sleeps can put them on a par with someone over the drink-drive limit. The statistics tell a sobering story: a third of all road traffic collisions in Britain involve someone driving for work, and each year there are between 70,000 and 100,000 non-fatal injuries linked to work-related collisions. In 2016 alone, nearly 6,000 people were killed or seriously injured in accidents involving someone behind the wheel for work purposes. A 2022 study went even further, estimating that almost 30 per cent of all road fatalities occur in crashes where at least one driver was working at the time.

Sleep Debt on the Job

The report digs deeper into the personal experiences of drivers. On average, respondents slept just six hours and thirty-seven minutes before starting work, falling well short of the seven to nine hours recommended by health experts. Nearly half admitted to getting fewer than seven hours of rest before a shift, while more than three-quarters were carrying a sleep debt across a working week. Around one in four drivers was found to be at risk of sleep apnoea, a condition known to cause extreme tiredness, and more than a third were at risk of insomnia. These sleep problems had very real consequences: sixty-five per cent of drivers said they regularly felt sleepy at work, and for almost a third, that sleepiness interfered with their performance at least a few days each month.

When Fatigue Hits Hardest

Patterns in the data also shed light on when and where fatigue strikes hardest. Night shifts were particularly problematic, with cognitive tests showing that it took drivers around twenty per cent longer to process information compared with their performance during the day. Rather than fatigue steadily building up across consecutive shifts, the study found that tiredness often peaked mid-week, perhaps when cumulative workloads and disrupted sleep cycles combined. Across all types of shifts, whether eight, ten or twelve hours long, the final third was consistently the most challenging period, when sleepiness increased and performance dropped.

Different Drivers, Different Risks

Not all drivers were affected equally. Those behind the wheel of light commercial vehicles, a sector of particular importance to the UK’s delivery economy, reported the lowest levels of sleep before work and the highest interference with their daily tasks. Car drivers were more likely to suffer from sleep apnoea and insomnia compared with HGV drivers, while younger and female drivers were more likely to report fatigue affecting their ability to perform. The evidence suggests that certain groups are more vulnerable than others and that blanket policies will not be enough to tackle the problem.

The Business Consequences

The business consequences are as significant as the human costs. Fatigue doesn’t just lead to collisions, it drags on the efficiency and profitability of fleets. Incidents damage vehicles, delay deliveries, and increase insurance premiums. Investigations, staff replacement, and administrative work all add to the burden. Even before an accident occurs, tired driving can affect performance in subtle but costly ways, from harsh braking and fuel-hungry driving styles to higher maintenance costs caused by poor handling.

Technology as the Game-Changer

So how can fleets realistically tackle such a deeply ingrained issue? This is where technology can make a measurable difference. At Fleet Focus, we provide tools that directly address the risks identified in the report. Our AI-powered driver-facing cameras are capable of spotting early warning signs such as eye closure, yawning or head drooping. Crucially, these systems don’t just record, they alert drivers in real time, giving them a chance to pull over or take a break before fatigue leads to tragedy.

Beyond detection, our behaviour analytics provide managers with a clear picture of how fatigue is influencing performance. By tracking patterns like lane deviations, erratic braking or inconsistent speeds, fleets can identify when tiredness is likely to be a factor. Combined with telematics, this information helps managers to adjust shifts, reroute journeys or intervene with support before incidents occur. For operators of light commercial vehicles, one of the groups flagged as being most at risk in the report, these insights can be transformative.

Tackling Distraction and Fatigue Together

Distraction is another area where fatigue often shows its hand. A tired driver is far more likely to reach for their phone or lose focus on the road. Our camera systems double up to monitor mobile phone use and other distractions, allowing fleets to tackle both issues at once. Over time, the data collected doesn’t just highlight immediate risks, it builds a long-term profile of fatigue across the fleet, showing where and when interventions are needed most.

Culture, Policy and Tech: A Three-Part Solution

But technology alone isn’t the silver bullet. The research makes clear that fatigue risk fluctuates with working patterns, shift designs, and job roles. That means organisations also need robust policies around rest, open communication with drivers, and a willingness to act on the insights technology provides. The fleets that combine cultural change with intelligent monitoring will be the ones that see the biggest improvements, in safety, efficiency and driver wellbeing.

A Clear Message for Fleets

The conclusion of the National Highways report is unambiguous: fatigue is costing lives and billions of pounds, and fleets must act. With the right technology and a proactive safety culture, operators can take back control of this hidden risk. At Fleet Focus, we believe our solutions give fleets the tools they need to make that leap, from reactive firefighting after incidents, to proactive prevention that keeps drivers, vehicles and the public safe.