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Website: https://www.mdt.gov/

Director:
Malcolm “Mack” Long
2701 Prospect Avenue
Helena, MT 59620
Phone: (406) 444-6821
Executive Assistant:
Lori K. Ryan
Public Information Officer
Phone: (406) 444-6821
Dwane Kailey
Chief Engineer
Phone: (406) 444-6414
Oak Metcalfe
Phone: (406) 444-9201
Jon Swartz
Phone: (406) 444-6158
Patti Schwinden
Phone: (406) 444-6042
TSMO:
Mike Warren
Phone: (406) 444-0468
Brad Marten
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