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Pennsylvania 811 rules

In Pennsylvania you call Pennsylvania One Call System (PA811): not less than 3 nor more than 10 business days in advance.

Advance notice before digging
Not less than 3 nor more than 10 business days in advance.
Farthest ahead you can call
10 business days.
How long the ticket or marks last
Not confirmed in the law we read. Ask Pennsylvania One Call System (PA811).
Tolerance zone (hand dig inside it)
18 inches from the outside wall or edge of the facility.
White lining (premarking)
When exact work site information cannot be provided.
The law
73 P.S. 176 et seq. (Act 287 of 1974 as amended, incl. Act 50 of 2017, Act 127 of 2024).

Call 811 from anywhere in Pennsylvania to reach Pennsylvania One Call System (PA811), or file online at pa1call.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.

811 ticket trackingFind dig work on the board

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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