The weather along I-81 is as varied as the terrain. It can be affected by heavy traffic and occasional construction. Overall, I-81 is a safe and well maintained highway.

In some places, congestion can also lead to slowdowns due to accidents or road construction. As such, there are often heavy traffic delays, especially in the more congested parts of the interstate.

Rumble strips have been added on the shoulders, along with wide, paved shoulders, and median barriers.ĭespite its generally good condition, I-81 is known for its high traffic volume, especially during rush hours. In recent years, I-81 has also seen upgrades in terms of safety features. In addition to regular maintenance, I-81 is often repaved and resurfaced in order to keep it in good condition. The speed limit is generally 70 miles per hour, though some states have lower speed limits on certain sections. The highway boasts a wide, straight road with three lanes in each direction. Generally, the highway is well maintained and in good condition. The road conditions on I-81 vary depending on where you are. It stretches 855 miles from Dandridge, Tennessee, to the Canadian border at the Thousand Islands Bridge. Interstate I-81 is a major north-south interstate highway that runs through the eastern United States.

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