Should Slow-Moving Trucks in the U.S. Be in the Farthest Right Lane?
The rules for lane use by slow-moving vehicles, particularly trucks, vary from state to state in the United States. However, in many states, including Minnesota where the author resides, slower traffic must keep to the right. This article provides a comprehensive overview of current regulations and practices surrounding slow-moving vehicles on American highways.
State-Specific Laws and Regulations
According to local laws, slower-moving vehicles such as trucks, towing vehicles, and emergency towing situations are generally required to stay to the right in Minnesota. This rule is simple and does not provide special exceptions for specific vehicle categories. However, it's important to note that the specifics can vary by state, and even by local municipal codes.
Divided Highways and Lane Restrictions
On divided highways with more than two lanes in one direction, certain vehicles, including tractor-trailers and towing vehicles, are most often restricted from entering or using the leftmost lane and are not allowed in any HOV (High-Occupancy Vehicle) lanes, except in emergencies. Specifically, the following are considered restricted:
Towed vehicles such as towing a camping trailer. Towing a boat with a car or towing a cargo box. Any vehicle towing another vehicle or towing a trailer.In some cases, these vehicles are restricted to the rightmost lane, especially on uphill slopes. Additionally, there may be specific lanes dedicated to slow-moving vehicles, which are clearly posted, and in some locations, slow-moving vehicles may be allowed on the reinforced shoulder, also posted as allowed.
Signage and Informative Placards
Many highways have signs posted to notify slower-moving vehicles of lane restrictions. For instance, large signs may indicate that towed vehicles are restricted from using one, two, or three leftmost lanes, ensuring that drivers are aware of the rules before approaching a restricted area.
Professional Truckers and Defensive Driving
Professional truck drivers are well-versed in the rules of the routes they drive and follow them strictly. This practice is referred to as defensive driving, which is legally recognized and adhered to in the interest of safety. Truck drivers, who often face a higher risk of being involved in accidents due to the size and length of their vehicles, are even more attuned to local regulations and road conditions.
Defensive Driving and Lane Use
Professional and non-professional drivers alike should practice defensive driving. On highway on-ramps, responsible drivers will move over to avoid merging traffic, which includes slow-moving vehicles. This practice is particularly important for trucks, as the potential for collision or emergency braking situations is greater due to the truck's length and the blind spot on the right side. Truck drivers consistently monitor traffic merging onto highways and will use the rightmost lanes to avoid such situations.
Conclusion
The safe and legal practice for slow-moving vehicles, especially trucks, is to stay in the rightmost lane where possible. However, drivers should be aware of local regulations and signages. By adhering to these rules, drivers can significantly enhance road safety and prevent unnecessary accidents.