CHELMSFORD (CBS) – Route 110 in Chelmsford is closed after a tractor trailer crash.

State Police say the truck was traveling on I-495 south when it jumped the guardrail and ended up on Route 110 below. It is unclear what caused the crash.

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The truck took down several trees before coming to rest across both lanes of Route 110. There have been no injuries reported.

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CHECK: Traffic

All lanes of I-495 are currently open but drivers are urged to seek an alternate route.

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Tractor trailer crash on Route 110 in Chelmsford. (State Police photo)

Tractor trailer crash on Route 110 in Chelmsford. (State Police photo)