92 Ill. Adm. Code 530.220
Departmental Standards
Section 530
Section 530.220 Departmental
Standards
a) The permittee shall operate in a Department approved, as
defined in Section 530.30, manner for traffic control, for use of the
right-of-way, and for cleanup and restoration in a timely manner in accordance
with Sections 530.240 and 530.250.
b) The Department's standards may be communicated in either
written or spoken directives. A spoken directive shall be followed by a
consistent written confirmation within 15 calendar days.