Section 625 ILCS 5/11-706 - Further limitations on driving to the left of center of roadway(a) No vehicle shall be driven on the left side of the roadway under the following conditions: 1.When approaching or upon the crest of a grade or a curve in the highway where the driver's view is obstructed within such distance as to create a hazard in the event another vehicle might approach from the opposite direction.2.When approaching within 100 feet of or traversing any intersection or railroad grade crossing.3.When the view is obstructed upon approaching within 100 feet of any bridge, viaduct or tunnel.(b) The limitations in sub-paragraphs 1, 2 and 3 do not apply upon a one-way roadway nor upon a roadway with unobstructed pavement of sufficient width for 2 or more lanes of moving traffic in each direction nor to the driver of a vehicle turning left into or from an alley, private road or driveway when such movements can be made with safety.