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Illinois Compiled Statutes

Information maintained by the Legislative Reference Bureau
Updating the database of the Illinois Compiled Statutes (ILCS) is an ongoing process. Recent laws may not yet be included in the ILCS database, but they are found on this site as Public Acts soon after they become law. For information concerning the relationship between statutes and Public Acts, refer to the Guide.

Because the statute database is maintained primarily for legislative drafting purposes, statutory changes are sometimes included in the statute database before they take effect. If the source note at the end of a Section of the statutes includes a Public Act that has not yet taken effect, the version of the law that is currently in effect may have already been removed from the database and you should refer to that Public Act to see the changes made to the current law.


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625 ILCS 5/11-701

    (625 ILCS 5/11-701) (from Ch. 95 1/2, par. 11-701)
    Sec. 11-701. Drive on right side of roadway - exceptions.
    (a) Upon all roadways of sufficient width a vehicle shall be driven upon the right half of the roadway, except as follows:
        1. When overtaking and passing another vehicle
    
proceeding in the same direction under the rules governing such movements;
        2. When an obstruction exists making it necessary to
    
drive to the left of the center of the roadway; provided, any person so doing shall yield the right-of-way to all vehicles traveling in the proper direction upon the unobstructed portion of the roadway within such distance as to constitute an immediate hazard;
        3. Upon a roadway divided into 3 marked lanes for
    
traffic under the rules applicable thereon;
        4. Upon a roadway restricted to one way traffic;
        5. Whenever there is a single track paved road on one
    
side of the public highway and 2 vehicles meet thereon, the driver on whose right is the wider shoulder shall give the right-of-way on such pavement to the other vehicle.
    (b) Upon a 2 lane roadway, providing for 2-way movement of traffic, a vehicle shall be driven in the right-hand lane available for traffic, or as close as practicable to the right hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway.
    (c) Upon any roadway having 4 or more lanes for moving traffic and providing for 2-way movement of traffic, no vehicle shall be driven to the left of the center line of the roadway, except when authorized by official traffic-control devices designating certain lanes to the left side of the center of the roadway for use by traffic not otherwise permitted to use such lanes, or except as permitted under Subsection (a) 2. However, this Subsection shall not be construed as prohibiting the crossing of the center line in making a left turn into or from an alley, private road or driveway.
    (d) Upon an Interstate highway or fully access controlled freeway, a vehicle may not be driven in the left lane, except when overtaking and passing another vehicle.
    (e) Subsection (d) of this Section does not apply:
        (1) when no other vehicle is directly behind the
    
vehicle in the left lane;
        (2) when traffic conditions and congestion make it
    
impractical to drive in the right lane;
        (3) when snow and other inclement weather conditions
    
make it necessary to drive in the left lane;
        (4) when obstructions or hazards exist in the right
    
lane;
        (5) when a vehicle changes lanes to comply with
    
Sections 11-907, 11-907.5, and 11-908 of this Code;
        (6) when, because of highway design, a vehicle must
    
be driven in the left lane when preparing to exit;
        (7) on toll highways when necessary to use I-Pass,
    
and on toll and other highways when driving in the left lane is required to comply with an official traffic control device; or
        (8) to law enforcement vehicles, ambulances, and
    
other emergency vehicles engaged in official duties and vehicles engaged in highway maintenance and construction operations.
(Source: P.A. 99-681, eff. 1-1-17.)

625 ILCS 5/11-702

    (625 ILCS 5/11-702) (from Ch. 95 1/2, par. 11-702)
    Sec. 11-702. Passing vehicles proceeding in opposite directions. Drivers of vehicles proceeding in opposite directions shall pass each other to the right, and upon roadways having width for not more than one line of traffic in each direction each driver shall give to the other at least one-half of the main-traveled portion of the roadway as nearly as possible.
(Source: P.A. 79-1069.)

625 ILCS 5/11-703

    (625 ILCS 5/11-703) (from Ch. 95 1/2, par. 11-703)
    Sec. 11-703. Overtaking a vehicle on the left. The following rules govern the overtaking and passing of vehicles proceeding in the same direction, subject to those limitations, exceptions, and special rules otherwise stated in this Chapter:
        (a) The driver of a vehicle overtaking another
    
vehicle proceeding in the same direction shall pass to the left thereof at a safe distance and shall not again drive to the right side of the roadway until safely clear of the overtaken vehicle. In no event shall such movement be made by driving off the pavement or the main traveled portion of the roadway.
        (b) Except when overtaking and passing on the right
    
is permitted, the driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on audible signal and shall not increase the speed of his vehicle until completely passed by the overtaking vehicle.
        (c) The driver of a 2 wheeled vehicle may not, in
    
passing upon the left of any vehicle proceeding in the same direction, pass upon the right of any vehicle proceeding in the same direction unless there is an unobstructed lane of traffic available to permit such passing maneuver safely.
        (d) The operator of a motor vehicle overtaking a
    
bicycle or individual proceeding in the same direction on a highway shall leave a safe distance, but not less than 3 feet, when passing the bicycle or individual and shall maintain that distance until safely past the overtaken bicycle or individual.
        (d-5) A driver of a motor vehicle overtaking a
    
bicycle proceeding in the same direction on a highway may, subject to the provisions in paragraph (d) of this Section and Section 11-706 of this Code, pass to the left of the bicycle on a portion of the highway designated as a no-passing zone under Section 11-707 of this Code if the driver is able to overtake and pass the bicycle when:
            (1) the bicycle is traveling at a speed of less
        
than half of the posted speed limit of the highway;
            (2) the driver is able to overtake and pass the
        
bicycle without exceeding the posted speed limit of the highway; and
            (3) there is sufficient distance to the left of
        
the centerline of the highway for the motor vehicle to meet the overtaking and passing requirements under this Section.
        (e) A person driving a motor vehicle shall not, in a
    
reckless manner, drive the motor vehicle unnecessarily close to, toward, or near a bicyclist, pedestrian, or a person riding a horse or driving an animal drawn vehicle.
        (f) Every person convicted of paragraph (e) of this
    
Section shall be guilty of a Class A misdemeanor if the violation does not result in great bodily harm or permanent disability or disfigurement to another. If the violation results in great bodily harm or permanent disability or disfigurement to another, the person shall be guilty of a Class 3 felony.
(Source: P.A. 100-359, eff. 1-1-18.)

625 ILCS 5/11-704

    (625 ILCS 5/11-704) (from Ch. 95 1/2, par. 11-704)
    Sec. 11-704. When overtaking on the right is permitted.
    (a) The driver of a vehicle with 3 or more wheels may overtake and pass upon the right of another vehicle only under the following conditions:
        1. When the vehicle overtaken is making or about to
    
make a left turn.
        2. Upon a roadway with unobstructed pavement of
    
sufficient width for 2 or more lines of vehicles moving lawfully in the direction being traveled by the overtaking vehicle.
        3. Upon a one-way street, or upon any roadway on
    
which traffic is restricted to one direction of movement, where the roadway is free from obstructions and of sufficient width for 2 or more lines of moving vehicles.
    (b) The driver of a 2-wheeled vehicle may not pass upon the right of any other vehicle proceeding in the same direction unless the unobstructed pavement to the right of the vehicle being passed is of a width of not less than 8 feet. This subsection does not apply to devices propelled by human power.
    (c) The driver of a vehicle may overtake and pass another vehicle upon the right only under conditions permitting such movement in safety. Such movement shall not be made by driving off the roadway.
(Source: P.A. 102-558, eff. 8-20-21.)

625 ILCS 5/11-705

    (625 ILCS 5/11-705) (from Ch. 95 1/2, par. 11-705)
    Sec. 11-705. Limitations on overtaking on the left.
    No vehicle shall be driven to the left side of the center of the roadway in overtaking and passing another vehicle proceeding in the same direction unless authorized by the provisions of this Chapter and unless such left side is clearly visible and is free of oncoming traffic for a sufficient distance ahead to permit such overtaking and passing to be completely made without interfering with the safe operation of any vehicle approaching from the opposite direction or any vehicle overtaken. In every event the overtaking vehicle must return to an authorized lane of travel as soon as practicable and in the event the passing movement involves the use of a lane authorized for vehicles approaching from the opposite direction, before coming within 200 feet of any vehicle approaching from the opposite direction.
(Source: P.A. 76-1586.)

625 ILCS 5/11-706

    (625 ILCS 5/11-706) (from Ch. 95 1/2, par. 11-706)
    Sec. 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.
(Source: P.A. 79-1069.)

625 ILCS 5/11-707

    (625 ILCS 5/11-707) (from Ch. 95 1/2, par. 11-707)
    Sec. 11-707. No-passing zones.
    (a) The Department and local authorities are authorized to determine those portions of any highway under their respective jurisdictions where overtaking and passing or driving on the left of the roadway would be especially hazardous and may by appropriate signs or markings on the roadway indicate the beginning and end of such zones. Upon request of a local school board, the Department or local authority which has jurisdiction over the roadway in question, shall determine whether a hazardous situation exists at a particular location and warrants a no-passing zone. If the Department or local authority determines that a no-passing zone is warranted, the school board and the Department or local authority shall share equally the cost of designating the no-passing zone by signs and markings. When such signs or markings are in place and clearly visible to an ordinarily observant person every driver of a vehicle shall obey the directions thereof.
    (b) Where signs or markings are in place to define a no-passing zone as set forth in paragraph (a) no driver may at any time drive on the left side of the roadway within the no-passing zone or on the left side of any pavement striping designed to mark such no-passing zone throughout its length.
    (c) This Section does not apply under the conditions described in Section 11-701 (a) 2, subsection (d-5) of Section 11-703, nor to the driver of a vehicle turning left into or from an alley, private road or driveway. The pavement striping designed to mark the no-passing zone may be crossed from the left hand lane for the purpose of completing a pass that was begun prior to the beginning of the zone in the driver's direction of travel.
    (d) Special speed limit areas required under Section 11-605 of this Code in unincorporated areas only shall also be no-passing zones.
(Source: P.A. 100-359, eff. 1-1-18.)