How feeling stressed can affect our driving – and what helps

We all carry our emotional states into the car with us. This article looks at how everyday stress, anxiety, worry, anger and overwhelm can quietly affect the way we drive, and the simple, practical steps that help us stay safer.

Most of us know the well-rehearsed road safety messages we hear and see around us. We know about drink driving. We know about speeding. We know that using a phone or driving while exhausted is dangerous. But there is one everyday factor we rarely talk about that is important, too: the emotional state we are in when we press the gas pedal.

On any given day, any of us might get behind the wheel while stressed after a difficult conversation, anxious about something at work, running late, tearful or simply frazzled. These are ordinary, temporary human experiences, but they can affect our driving in ways we do not always notice at the time. Understanding why is genuinely useful, because it sharpens our awareness and puts some simple choices back in our hands.

A note before we go further. This is not about suggesting that people living with anxiety, depression or other mental health conditions are unsafe drivers. This piece looks at something that affects all of us: the passing emotional states that can temporarily change how our brain and body respond behind the wheel.

What strong emotion does to the driving brain

When we are calm, driving can feel almost automatic. When we are stressed, anxious, angry or overwhelmed, our brain shifts into a different mode, and that shift is measurable and biological, not simply a matter of willpower. Once a biological process has started, your body needs to follow it through until it runs its course. 

The stress response

When we feel under threat or pressure, the amygdala, the part of the brain which is recognised as your alarm system, becomes more active and can trigger a fight, flight, freeze, fawn or flop response (LeDoux, 2015). This is completely normal; it is the same nervous system that helps us react quickly in real danger. Behind the wheel, though, it can leave us more reactive and on edge than the situation actually calls for.

Reduced access to clear thinking

Under stress, the prefrontal cortex, the part of the brain responsible for judgement, impulse control and risk assessment, works less efficiently (Arnsten, 2009). This is the part that usually says "ease off here" or "leave a bit more space." When we are wound up, that steadying voice is quieter.

Tunnel vision

Strong emotion tends to narrow our attention, so we are more likely to miss things at the edges of our view that we would normally catch (Easterbrook, 1959).

Slower reactions

Stress and strong feelings can slow our reactions, and at speed, even a fraction of a second matters. At 70 mph, we cover around 31 metres every second, so a small delay can add up to several extra metres of stopping distance.

Anger and risk

Anger is a particularly important one. When we are angry, we tend to take more risks and to read situations as more provocative than they are. Research has found that angrier drivers are more likely to speed, tailgate and overtake dangerously (Deffenbacher et al., 2003).

None of the above means someone is a bad driver. It means their nervous system is doing exactly what nervous systems do under stress, and that it is worth knowing about, so we can work with it rather than against it.

Running late: the everyday trigger we underestimate

One of the most common emotional states that affects driving is also one of the most ordinary: feeling rushed. When we are late, stress hormones rise, our patience thins, and we become more willing to take chances like nudging over the limit, braking later, pushing through a gap. Research links time pressure and everyday cognitive overload to more driving errors and violations (Wickens et al., 2008).

Why speed awareness courses now talk about emotions

If you have been on a National Speed Awareness Course in recent years, you may have noticed something empathetic and improved: facilitators increasingly invite people to reflect on how they felt when they were caught speeding. Were they stressed, anxious, angry, grieving or simply running late?

This shift reflects a growing recognition that our emotional state plays a real part in how we drive. When people reflect honestly, a striking number realise they were not reckless; they were ordinary people having a difficult moment, whose feelings got the better of their judgement for a few seconds. That is a very human thing, and naming it is the first step to doing something about it.

What this can look like in therapy

In my clinical practice, I have worked with people who describe a pattern that may feel familiar. One client, whose details I have changed and blended to protect their confidentiality, came to a therapy session troubled by something that kept happening.

After a heated argument at home, whether with their partner, a family member or a close friend, they would head straight out to the car and drive while still shaking with anger and upset. They noticed their driving in those moments did not feel like their own, gripping the wheel too tightly, braking sharply, pulling out without really looking, going faster than they meant to. Afterwards, they often felt shaken by how close they had come to a mistake.

Together, we slowed those moments down and looked at what was really happening: how their body had flooded with adrenaline, how their thinking had narrowed, and how getting in the car had become a way to try to escape an unbearable feeling. From there, we built a small, personal set of things they could do before revving the gas. This included a few minutes to let the wave pass, some slow breathing, a short walk around the block, or a quick message to a friend. Over time, that pause became second nature. The difficult feelings still came; that is part of being human, but they no longer travelled with them at the fast speed they were driving.

Six practical steps that can help

The encouraging news is that once we understand this, we can do quite a lot about it. Here are some simple, evidence-based, informed strategies anyone can use.

1. Take an emotional check-in before you set off

Before you start the engine, pause for a moment and notice how you are feeling. Are you calm, or are you wound up, anxious, upset or in a rush? You do not need to fix the feeling; just noticing it is often enough to help you drive a little more carefully.

2. Take a few slow breaths before you pull away

If you are feeling tense, thirty to sixty seconds of slow breathing, with your out breath a little longer than your in breath, can help settle your nervous system before you move off. Brief breathing exercises have been shown to reduce reactivity and support attention (Feldman et al., 2010).

3. Build in buffer time

Because running late is such a common trigger, giving yourself more time is one of the most effective things you can do. A simple rule is to add about 20% to your estimated journey time. For example, if a trip usually takes 30 minutes, allow 36 minutes. Removing the time pressure removes much of the temptation to rush.

4. Let the car help you

Modern cars have features that quietly reduce pressure: a speed limiter helps take the mental effort out of watching your speed, cruise control eases motorway fatigue, and "Do Not Disturb while driving" keeps your phone from pulling at your attention. Setting these up once means you are not relying on willpower every journey.

5. Cool off after a difficult moment

If you have just had an argument, received upsetting news, or feel tearful or shaken, give yourself a few minutes before driving. This might be a short walk, a glass of water, a quick phone call, or simply sitting quietly until the intensity passes. Driving off in the heat of a strong feeling is when many of us make choices we would not otherwise make. If you are already driving, try to find a safe space to stop and slow down. 

6. Sometimes, do not drive at all

On the days when we are acutely upset, grieving, panicky, exhausted after a sleepless night, or reeling from bad news, the kindest and safest choice can be to let someone else drive, take public transport, or simply wait until we feel steadier. This is not weakness; it is good judgement. Driving asks a great deal of our focused attention and emotional regulation, and it is fine to acknowledge when we do not have that spare capacity today.

When a difficult feeling won't shift

Most of the time, the emotional states that affect our driving are passing, here today, gone tomorrow. But if you find that stress, anxiety, anger or grief are with you much of the time, and affecting daily life well beyond the car, it can help to reach out for support.

That might mean talking to your GP, leaning on friends and family, trying self-help resources, or working with a counsellor or psychotherapist to build steadier ways of managing strong feelings. There is no single right route; the point is that support is available, and using it benefits every part of life, including the time we spend behind the wheel.

We cannot plan for every hazard on the road, and we cannot switch off our emotions. But we can get better at noticing what we are carrying with us when we drive, and at making small, kind choices that keep us and everyone around us a little safer. A few slow breaths, a bit of extra time, and the honesty to say "not today" when we need to – these are simple things, but they genuinely make a difference.

References

Arnsten, A.F.T. (2009). 'Stress signalling pathways that impair prefrontal cortex structure and function', *Nature Reviews Neuroscience*, 10(6), pp. 410–422.

Deffenbacher, J.L., Deffenbacher, D.M., Lynch, R.S. and Richards, T.L. (2003). 'Anger, aggression, and risky behavior: A comparison of high and low anger drivers', *Behaviour Research and Therapy*, 41(6), pp. 701–718.

Easterbrook, J.A. (1959). 'The effect of emotion on cue utilization and the organization of behavior', *Psychological Review*, 66(3), pp. 183–201.

Feldman, G., Greeson, J. and Senville, J. (2010). 'Differential effects of mindful breathing, progressive muscle relaxation, and loving-kindness meditation on decentering and negative reactions to repetitive thoughts', *Behaviour Research and Therapy*, 48(10), pp. 1002–1011.

LeDoux, J. (2015). Anxious: Using the brain to understand and treat fear and anxiety*. New York: Viking.

Wickens, C.M., Toplak, M.E. and Wiesenthal, D.L. (2008). 'Cognitive failures as predictors of driving errors, lapses, and violations', *Accident Analysis & Prevention*, 40(3), pp. 1223–1233.