Tailgating, Speeding, and Other Habits That Put You at Risk

Cars & Driving Editorial Team Staff Writer · Jul 5, 2024 · 6 min read

Photo: InsightsTurbo.com | Kickstart Your Knowledge Quest editorial

Learn which everyday driving behaviours cause the most crashes and the simple shifts that make your journeys safer.

Key Takeaways

Tailgating is a leading cause of rear-end collisions; a three-second following gap is a practical minimum.
Speeding reduces reaction time and dramatically increases crash severity, even a few mph over the limit.
Distracted and drowsy driving carry risk levels comparable to driving impaired — neither should be underestimated.
Most dangerous habits feel routine because they rarely cause immediate consequences, making them easy to ignore.
Small, consistent behaviour changes — not perfect technique — are what separate safer drivers from riskier ones.

Why Ordinary Habits Are the Real Danger

New drivers tend to worry about dramatic scenarios: icy overpasses, highway pile-ups, or mechanical failures. In reality, the crashes that happen every day on US roads are overwhelmingly caused by ordinary, repeatable habits — the kind that build up quietly over the first months of independent driving.

Understanding these habits isn't about fear; it's about recognising that most crashes are preventable. The principles of defensive driving exist precisely because risk is predictable when you know what to look for. The mistakes below are where most new drivers go wrong — and where targeted awareness pays off fastest.

~94%

Crashes attributed to human error

The National Highway Traffic Safety Administration (NHTSA) estimates that human choice or error is a critical factor in approximately 94% of serious crashes in the US.

Increased crash risk from phone use while driving

Research cited by NHTSA indicates that handheld phone use while driving can increase crash risk by roughly three times compared to undistracted driving.

17%

Fatality reduction from reducing speed by 5 mph

Studies from the Insurance Institute for Highway Safety (IIHS) suggest that even modest speed reductions can yield meaningful drops in crash fatality rates.

The Most Dangerous Driving Habits — and How to Fix Them

Each of the following mistakes is common, correctable, and worth taking seriously. They're presented not to overwhelm you, but to give you a clear picture of where focused attention matters most.

Tailgating — following the vehicle ahead too closely, leaving no room to stop safely if they brake suddenly.

Why it happens: New drivers often underestimate how long it takes to react and brake at speed. Keeping up with traffic flow can feel like it requires staying close.

How to avoid: Use the three-second rule: pick a fixed point, and ensure at least three seconds pass between the car ahead and your own front bumper. In poor weather or heavy loads, extend this to four or five seconds. Make it a habit on every road, not just highways.

Speeding — driving above posted limits or too fast for current road or weather conditions.

Why it happens: Speed feels normal when everyone around you is doing it, and small increments above the limit rarely feel dangerous in the moment.

How to avoid: Recognise that stopping distance increases exponentially with speed — not linearly. Set your cruise control on highways to help maintain legal speeds without constant mental effort. On unfamiliar roads, treat the posted limit as a ceiling, not a target.

Distracted driving — using a phone, adjusting music, eating, or engaging in conversation that pulls attention from the road.

Why it happens: Modern vehicles are full of screens and inputs, and the urge to multitask feels manageable because it usually goes without incident — until it doesn't.

How to avoid: Put your phone in Do Not Disturb mode before you start the engine. Pre-set your navigation and music before moving. For a deeper look at how distraction myths mislead drivers, see phone use at the wheel.

Drowsy driving — getting behind the wheel while fatigued or after too little sleep.

Why it happens: Drivers often misjudge their own alertness level, particularly during long trips or early-morning commutes when fatigue creeps in gradually.

How to avoid: If you're yawning repeatedly, drifting in your lane, or missing exits, pull over safely and rest. Caffeine can buy short-term alertness but is not a substitute for sleep. Plan long trips with scheduled breaks every two hours.

Failing to check mirrors and blind spots before changing lanes or merging.

Why it happens: When drivers are focused on finding a gap in traffic, the physical act of checking blind spots can feel slow or disruptive to the moment.

How to avoid: Make mirror checks and a physical shoulder-glance into one automatic sequence every time you signal a lane change. Set your side mirrors to minimise overlap with the rear-view mirror, which helps reduce blind spot size before you even move.

Rolling through stop signs and red lights — slowing but not fully stopping, or running late yellows.

Why it happens: Intersections can feel clear at a glance, and full stops feel unnecessary when no one else appears to be coming.

How to avoid: Treat every stop sign as a complete pause — both wheels stationary, then a full scan left, right, and left again before proceeding. For red lights, don't accelerate the moment it turns green; check that crossing traffic has actually stopped first.

Drowsy Driving Is Impairment — Not Just Tiredness

Being awake for 18 or more consecutive hours produces impairment comparable to a blood alcohol concentration of 0.05%, according to research cited by the CDC. Many drivers don't recognise how severely fatigue affects reaction time and judgment. If you feel genuinely drowsy, stopping to rest is the only reliable intervention — opening a window or turning up the radio won't reverse impaired driving ability.

Developing better habits early is far easier than unlearning ingrained ones. If you're still building your foundational skills, the new driver's complete roadmap covers the full range of skills at your own pace.

Context Matters: Road Type, Weather, and Time of Day

The same bad habit carries very different consequences depending on where and when you're driving. Following too closely at 25 mph in a parking lot is annoying; doing it at 65 mph on an interstate is genuinely life-threatening. Similarly, a distraction that costs you two seconds on a clear suburban street could cost you everything on a rain-soaked rural road.

Tailgating and speeding become especially hazardous in adverse conditions — rain, fog, and ice extend stopping distances dramatically and leave no margin for the errors described above. At night, the risk profile shifts again: reduced visibility shrinks your reaction window further, which is why night driving demands different adjustments from daytime driving. Rural roads present their own hazards — sharp bends, animals, and limited lighting — explored in depth in our guide to urban versus rural road risk.

The habit of scanning ahead for hazards — not just reacting to what's immediately in front of you — is what experienced drivers do automatically. You can start building that skill deliberately by working through how to read the road and anticipate hazards.

Habits Form Faster Than You Think

The driving patterns you settle into during your first six to twelve months of independent driving tend to become automatic. That makes the early period your best window for building safe habits deliberately. If you find anxiety is affecting your driving decisions, the guide on building driving confidence can help you develop a steadier approach without reinforcing unsafe shortcuts.

This article is for general informational and educational purposes only. Always follow applicable traffic laws and consult official driver education resources for guidance specific to your state or jurisdiction.

Cars & Driving Editorial Team

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