Many people assume that most car accidents happen because a driver was going too fast or disregarding traffic laws. News stories often highlight high-speed crashes, reckless driving, and serious pileups. But one often-overlooked danger on the road is driving too slowly — especially in fast-moving traffic — which can be just as hazardous as speeding.
In California, collisions caused by slow drivers happen more often than many realize. In fact, research shows that driving just 10 miles per hour under the posted speed limit can make a driver up to six times more likely to be involved in a crash.
For example, driving 55 mph in a 65 mph zone may seem safe, but statistically, it can actually be more dangerous than driving 75 mph in that same zone.
So why is driving slower than the flow of traffic so risky? Let’s explore the hidden dangers of slow driving.
While most drivers recognize that speeding and distracted driving are hazardous, consistently driving well below the speed limit can also create dangerous situations. In California, driving too slowly is defined as operating a vehicle at a speed that disrupts the normal movement of traffic.
Moving too slowly interferes with the natural rhythm of traffic, often leading to congestion and sudden braking. Faster drivers may have to swerve or change lanes unexpectedly to avoid slower vehicles, increasing the risk of collisions.
When traffic is flowing steadily, a slow-moving vehicle can catch other drivers off guard. Unexpectedly encountering a much slower car can lead to rear-end collisions or cause drivers to take abrupt evasive actions.
Freeways and highways are designed for vehicles traveling at higher speeds. A car moving well below the speed of surrounding traffic creates a significant speed differential, which shortens reaction times and increases the severity of any potential accidents.
Drivers who travel significantly below the posted speed limit are especially vulnerable to being rear-ended — particularly if they fail to use turn signals or remain in the appropriate lane. Rear-end crashes often cause serious injuries and are frequently the result of unexpected speed differences on the road.
Under California Vehicle Code § 22400(a), it’s unlawful to drive so slowly that you block or interfere with normal traffic flow, unless slower speeds are required for safe driving or by law. Violating these rules can lead to tickets, points on your license, and if your slow driving causes an accident, you may be held responsible for damages.
To stay safe and compliant on California roads, consider the following:
1. Stay Aware of the Flow of Traffic
Always monitor the speed of surrounding vehicles, especially on highways. If you find yourself driving considerably slower than others, adjust your speed or safely move over to avoid being a hazard.
2. Use the Right Lane
If you prefer to drive at a slower pace, stick to the right-hand lanes. The left lane should be reserved for passing. Lingering in the fast lane at a low speed can frustrate other drivers and lead to dangerous behaviors like tailgating or sudden lane changes.
3. Always Wear Your Seat Belt
Even if you’re following all safety protocols, accidents can still happen. Wearing your seat belt reduces your risk of serious injury, whether you’re driving fast or slow.
4. Use Turnouts When Necessary
On two-lane highways, California law requires you to pull over at the next available turnout if five or more vehicles are lined up behind you. Allowing faster traffic to pass keeps everyone safer and helps avoid illegal or risky passing attempts.
5. Adjust Speed for Conditions — But Don’t Overcompensate
While it’s important to slow down for adverse conditions like bad weather, construction zones, or school crossings, driving too slowly under normal circumstances can be dangerous. Consistent slow driving may indicate distracted driving or discomfort behind the wheel, both of which can lead to accidents.
Although speeding tends to receive more attention, driving too slowly presents its own serious risks, particularly on California’s busy roads. Slower drivers can disrupt traffic, cause unpredictable situations, and contribute to dangerous collisions. Staying vigilant, driving at appropriate speeds, and using the proper lanes can help prevent accidents and keep everyone safer on the road.
If you’ve been involved in an accident caused by a slow-moving driver or need help determining who is at fault, Avian Law Group is here to assist. Our skilled California car accident attorneys understand the complexities of traffic laws and are committed to fighting for your rights.
Contact Avian Law Group today for a free consultation. Let us help you pursue the compensation you deserve.