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Montana Department of Transportation
2701 Prospect Avenue
PO Box 201001
Helena MT 59620-1001
Phone: 406.444.6201 | TTY: 800.335.7592
(Staffed 8am-5pm, Monday-Friday, except state holidays. )
Picture identification is required for access to the Helena MDT facility. Address information and contacts are available for our district and area offices
DISTRICT AND HEADQUARTERS MDT OFFICES