92 Ill. Adm. Code 554.111
General IDT Registration Information
Section 554
Section 554.111 General IDT Registration
Information
The IDT registration and
classification system authorized by Section 15-319 of the Code is a voluntary
registration designed:
a) to identify vehicles making overweight moves,
b) to provide flexibility by the use of similar vehicles when
making these moves, and
c) to facilitate highway and structure analyses, which in turn
expedite the issuance of permits.