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20 feet in front of the cab, on either side of the tractor-trailer, particularly alongside the cab, and up to 200 feet in the rear (see diagram). 

Motorists lingering in the NO-ZONES hamper the trucker’s ability to take evasive action to avoid a dangerous situation. An excellent rule of thumb for motorists sharing the road with a tractor-trailer is, “if you can’t see the truck driver in his side-view mirror, he can’t see you.” 

## Recreational Vehicles and Trailers 

• Most recreational vehicles, including motor homes, campers and travel trailers, are longer, higher and wider than passenger cars. 

• Recreational vehicles and trailers accelerate and stop more slowly than cars and require more room for turning. 

• Visibility is a major problem with recreational vehicles. Remember, that the closer you are as you approach a recreational vehicle, the more it will block your field of vision. 

• Drivers of recreational vehicles can lose sight of you because their blind spots are much larger than those of cars. 

## When you approach a vehicle towing a trailer: 

• Watch for any sway or possible hazards, such as crosswinds or slippery curves; 

• Be aware that sudden braking might cause the trailer to jackknife; and 

• Use extreme caution while passing a trailer and the towing vehicle — it may take you a half mile of clear roadway to safely pass. 

Towing a trailer or boat requires special skill, as well as consideration on the part of each driver. 

## Motorcycles and Mopeds 

Drivers share the road with motorcycles and mopeds, and they must be especially careful to look for them and to observe these precautions : 

• Give the motorcyclist or moped rider the same right of way consideration as you would for the driver of any other vehicle; 

• Motorcycles are entitled to the full width of their lane. To pass a motorcycle, you must change lanes and pass in the same manner as you would for a larger motor vehicle; 

• A moped should travel using the right side of the lane. To pass a moped, you must stay at least two feet to the left; and 

• You must leave any cyclist enough room when you pass so your vehicle’s windstream cannot cause the rider to lose control. 

Be especially watchful for motorcycles and mopeds while turning or changing lanes at intersections or entering the road from a driveway. Mopeds and motorcycles are difficult to see, and can be entirely hidden by your blind spots. In many left-turn situations it is even more difficult to see a motorcycle or moped. Look out for motorcycles and mopeds, as well as other vehicles, before you turn, change lanes or proceed to move. 

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