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 1        AN ACT in relation to vehicles.

 2        Be it enacted by the People of  the  State  of  Illinois,
 3    represented in the General Assembly:

 4        Section  5.   The  Illinois  Vehicle  Code  is amended by
 5    changing Section 11-701 as follows:

 6        (625 ILCS 5/11-701) (from Ch. 95 1/2, par. 11-701)
 7        Sec. 11-701. Drive on right side of roadway - Exceptions.
 8        (a)  Upon all roadways  of  sufficient  width  a  vehicle
 9    shall be driven upon the right half of the roadway, except as
10    follows:
11        1.    When   overtaking   and   passing  another  vehicle
12    proceeding in the same direction under  the  rules  governing
13    such movements;
14        2.   When  an  obstruction  exists making it necessary to
15    drive to the left of the center of the roadway; provided, any
16    person so doing shall yield the right-of-way to all  vehicles
17    traveling  in  the  proper  direction  upon  the unobstructed
18    portion of the roadway within such distance as to  constitute
19    an immediate hazard;
20        3.   Upon  a  roadway  divided  into  3  marked lanes for
21    traffic under the rules applicable thereon;
22        4.  Upon a roadway restricted to one way traffic;
23        5.  Whenever there is a single track paved  road  on  one
24    side  of  the public highway and 2 vehicles meet thereon, the
25    driver on whose right is the wider shoulder  shall  give  the
26    right-of-way on such pavement to the other vehicle.
27        (b)  Upon  a 2 lane roadway, providing for 2-way movement
28    of traffic, a all roadways any  vehicle  proceeding  at  less
29    than  the  normal  speed of traffic at the time and place and
30    under the conditions then existing shall  be  driven  in  the
31    right-hand  lane  available  for  traffic,  or  as  close  as
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 1    practicable  to  the  right hand curb or edge of the roadway,
 2    except when overtaking and passing another vehicle proceeding
 3    in the same direction or when preparing for a left turn at an
 4    intersection or into a private road or driveway.
 5        (c)  Upon any roadway having 4 or more lanes  for  moving
 6    traffic  and  providing  for  2-way  movement  of traffic, no
 7    vehicle shall be driven to the left of the center line of the
 8    roadway, except when authorized by  official  traffic-control
 9    devices  designating  certain  lanes  to the left side of the
10    center of the  roadway  for  use  by  traffic  not  otherwise
11    permitted  to  use  such  lanes, or except as permitted under
12    Subsection (a) 2.  However,  this  Subsection  shall  not  be
13    construed  as  prohibiting the crossing of the center line in
14    making a left turn into or from an  alley,  private  road  or
15    driveway.
16        (d)  Upon  a  multilane  roadway, other than a controlled
17    access highway, a vehicle may not be driven in the left lane,
18    except when overtaking and passing another vehicle. A vehicle
19    may not be driven to  the  left  of  another  vehicle  for  a
20    distance  exceeding  one-half  mile. This subsection does not
21    prohibit a vehicle from being driven in the  left  hand  lane
22    when preparing to make a left turn.
23        (e)  Upon  a  rural  controlled access highway, a vehicle
24    may not be driven in the left lane,  except  when  overtaking
25    and  passing  another vehicle. A vehicle may not be driven to
26    the left of another vehicle for a distance exceeding one-half
27    mile.
28        (f)  Subsections (d) and  (e)  of  this  Section  do  not
29    apply:
30             (1)  when  no  other  vehicle is directly behind the
31        vehicle in the left lane;
32             (2)  when traffic conditions and congestion make  it
33        impractical to drive in the right lane;
34             (3)  when   snow   and   other   inclement   weather
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 1        conditions make it necessary to drive in the left lane;
 2             (4)  when obstructions or hazards exist in the right
 3        lane;
 4             (5)  when  a  vehicle  changes lanes to minimize the
 5        danger to a public safety vehicle parked on  or  adjacent
 6        to the highway shoulder;
 7             (6)  when, because of highway design, a vehicle must
 8        be driven in the left lane when preparing to exit;
 9             (7)  on  toll  highways when necessary to use I-Pass
10        lanes;
11             (8)  when driving in the left lane  is  required  to
12        comply with an official traffic control device;
13             (9)  to  authorized  emergency vehicles while making
14        use of emergency lighting  meeting  the  requirements  of
15        Section 12-215 of this Code; or
16             (10)  to   law   enforcement   vehicles  engaged  in
17        official duties.
18    (Source: P.A. 77-1344.)