BOSTON (CBS) – The southbound side of the Southeast Expressway was shut down at the start of rush hour Thursday morning because of a tractor-trailer fire.

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The truck crashed just before 6 a.m. at Neponset Street near Exit 12 in Dorchester.

The fire was put out about 45 minutes later.

The truck crashed just before 6 a.m. Thursday. (Photo courtesy: Mass. State Police)

The truck crashed just before 6 a.m. Thursday. (Photo courtesy: Mass. State Police)

State police immediately closed the southbound side of Route 93.

One lane opened up just after 7 a.m., but there were major delays on both sides of the highway.

The southbound side opened up completely around 9:40 a.m.

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According to the Boston Fire Department, there were no injuries.

There’s no word yet on what caused the crash.

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