The Illinois
Department of Transportation (IDOT) operates separately from The Illinois One-Call
System. Excavators working near IDOT facilities are required to
contact them two (2) business days prior to the start of their excavation
project in order for IDOT to mark their buried facilities.
IDOT District 1 -
McHenry, Lake, Cook, DuPage, Kane and Will Counties
If your excavation project is in IDOT District 1 six-county
area, please call 773/287-7600, Ext. 2
two (2) working days prior to the start of your excavation. IDOT will
send their locating crews to the site to mark their traffic signals or other
lighting facilities.
Please remember: Excavators are still required to contact JULIE two
(2) working days in advance of their project so that all other utilities in
the area can be notified.