92 Ill. Adm. Code 532.420
Department Regulations
Section 532
Section 532.420 Department
Regulations
The Department of Transportation
requires that mailboxes be mounted so that the face of the mailbox is 6"
to 12" outward from the outer edge of the turnout surfacing to allow the
full turnout width to be available to the mail carrier's vehicle in clearing the
roadway to the extent possible.