BOSTON —

Monica Tibbits-Nutt is parting ways with the Massachusetts Department of Transportation, where she has served as the secretary and chief executive officer, officials said Thursday.

Gov. Maura Healey said Tibbits-Nutt made the decision to step down from her positions as secretary of the Department of Transportation and CEO of MassDOT.

Tibbits-Nutt, who plans to return to the private sector, has agreed to continue as an advisor through Dec. 31 to ensure a smooth and efficient transition for MassDOT, officials said.

Tibbits-Nutt was named the secretary of transportation by Gov. Maura Healey in November 2023.

In her role, she was responsible for the four divisions of MassDOT: Highway, Rail and Transit, Registry of Motor Vehicles and Aeronautics. As secretary, she also served on t

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