Michigan 811 rules
In Michigan you call MISS DIG 811: at least 72 hours but not more than 14 calendar days before blasting or excavation. Ticket life: 21 days from start date; 180 days if notice says work will take longer than 21 days.
Good to know: Tickets can run 180 days if the notice says the job will take longer than 21.
Call 811 from anywhere in Michigan to reach MISS DIG 811, or file online at missdig811.org.
Running several digs at once?
TrackOver keeps each ticket number, markout date and expiry on the job it belongs to, and warns before a ticket runs out, so the crew in the hole isn't digging on a dead ticket.
Where this comes from
Checked September 24, 2026 against the state's own statute or rule text. Rules change; confirm with the center before a big job.
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