The scene of a car crash in Chelmsford, Massachusetts, on Wednesday, Oct. 25, 2023.
A car crash snarled traffic on Massachusetts Route 3 in Chelmsford on Wednesday.
It wasn't immediately clear what caused the crash or if anyone was hurt, though an ambulance was at the scene. NBC10 Boston has reached out to Massachusetts State Police for information.
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Traffic was backed up along Route 3.
This is a developing news story that will be updated when more information is available.
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