Excavation permits are followed date by date.
A utility excavation is recorded in dated steps from the start of the permit to the repair; digs that clash on the same route show up in advance.
6 Oct
Permit starts
Route and date range enter the record.
7–12 Oct
Excavation
The road shows as closed on the map while the permit runs.
13 Oct
Expiry warning
A dig that has not closed is flagged.
14 Oct
Repair work order
Repairing the road opens as a job of its own.