Sharing the road with 18-wheelers is an unavoidable part of driving, especially on highways. These massive vehicles play a crucial role in transporting goods, but their size and weight create unique challenges for other drivers. Understanding how to drive safely alongside big rigs can prevent accidents and make the roads safer for everyone. Here are some essential rules and best practices for safely sharing the road with 18-wheelers.
1. Understand Truck Blind Spots
One of the biggest hazards when driving near semi-trucks is their large blind spots. These areas, known as “no-zones,” are located in four key areas:
- In front of the truck: Trucks require more stopping distance, and cutting too close in front can lead to rear-end collisions.
- Behind the truck: If you can’t see the truck’s side mirrors, the driver likely can’t see you either.
- On the left side: The blind spot extends one lane over from the driver’s side.
- On the right side: This is the largest blind spot, covering multiple lanes.
To stay safe, avoid lingering in these areas. If you need to pass, do so quickly and safely.
2. Give Trucks Extra Space
Unlike smaller vehicles, semi-trucks require a much longer stopping distance. A fully loaded truck traveling at highway speeds needs at least 300 feet to come to a complete stop. Cutting in front of a truck too closely can be dangerous, as the driver may not have enough time to react.
Additionally, trucks are susceptible to wind gusts and tire blowouts. Keeping extra space between your vehicle and a truck can help you avoid unexpected hazards.
3. Pass Safely and Confidently
When overtaking an 18-wheeler, follow these best practices:
- Pass on the left whenever possible—this side has a smaller blind spot than the right.
- Use your turn signals to indicate your movements clearly.
- Maintain a consistent speed and avoid hesitating mid-pass.
- Ensure you see the truck’s headlights in your rearview mirror before merging back into the lane.
Never pass a truck on a downhill slope, as their speed may increase due to gravity.
4. Be Mindful of Wide Turns
Semi-trucks make wide turns, especially when turning right. Because of their long trailers, they may first swing left to clear the curb. Never try to squeeze into the gap between a turning truck and the curb—you risk getting trapped. If a truck has its turn signal on, give it plenty of space to complete the maneuver safely.
5. Adjust for Weather Conditions
Bad weather conditions amplify the risks of driving near big rigs. Rain, snow, and fog reduce visibility and increase stopping distances. If conditions are poor:
- Keep even more space between your car and the truck.
- Avoid sudden braking in front of a truck to prevent rear-end collisions.
- Use your headlights when necessary so trucks can see you better.
- If there’s heavy crosswind, be aware that trucks may sway slightly within their lane.
6. Expect Trucks to Travel at Different Speeds
Large trucks often drive slower uphill and faster downhill due to their weight. If you’re behind a truck going uphill, be patient and wait for a safe opportunity to pass. On downhill slopes, be aware that trucks may pick up speed even if they’re maintaining a controlled descent.
Many highways also have truck-only lanes or speed restrictions, so always check for signage and adjust accordingly.
7. Stay Focused and Avoid Distractions
Distracted driving is dangerous in any situation, but especially when near large trucks. A moment of inattention can have severe consequences. Avoid:
- Texting or using your phone while driving.
- Eating or adjusting controls while passing a truck.
- Driving while fatigued, which slows reaction time.
Stay alert and focused when navigating around semi-trucks.
8. Respect Truck Drivers’ Limited Visibility at Night
Driving alongside an 18-wheeler at night requires extra caution. Trucks have fewer rear-view mirrors than cars and rely mostly on side mirrors to see their surroundings. Use your headlights appropriately, avoid bright high beams, and ensure your brake lights function properly.
9. Watch for Emergency Stops
If a truck needs to pull over due to a breakdown or other emergency, it may take up more space on the shoulder. Be cautious and move over safely to give the driver space to address the issue. Many states have “Move Over” laws requiring drivers to shift lanes when passing stopped emergency or commercial vehicles.
10. Practice Patience and Courtesy
Truck drivers have demanding jobs and face constant road challenges. Being courteous—such as allowing space for lane changes or merging—helps create a safer driving environment. Use turn signals, avoid aggressive driving, and be mindful of the unique challenges truckers face.
Final Thoughts
Safely navigating around 18-wheelers demands attentiveness, patience, and smart driving choices. By recognizing truck blind spots, keeping a safe distance, and giving truckers the space they need, you help create a safer roadway for all. If you’re ever involved in an accident with a large truck, consulting a Salt Lake City truck accident lawyer can provide the legal guidance you need. Stay alert, follow these safety tips, and drive responsibly whenever you share the road with big rigs.
