A section of Interstate 81 just north of Binghamton was closed due to a tractor-trailer fire.

Photo: Bob Joseph/WNBF News (file)

Authorities say the incident happened early Tuesday morning in the northbound lanes of the highway in the town of Chenango.

Emergency dispatcher say the fire was reported at 2:17 a.m. between Exit 6 - Chenango Bridge and Exit 7 - Castle Creek.

Both northbound lanes were closed for about 90 minutes. One lane was reopened after the fire was extinguished. The highway was fully operational after two hours.

Chenango and Chenango Bridge fire departments were sent to the scene.

State police were investigating the fire. No hazardous materials were involved and no injuries were reported.

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