The people of the State of California do enact as follows:
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SECTION 1.
Section 21658 of the
V
ehicle Code
is amended
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to read:
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21658.
Whene
v
er an
y roadw
ay has been di
vided into tw
o or
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more clearly mark
ed lanes for traffic in one direction, the follo
wing
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rules apply:
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(a)
A v
ehicle shall be dri
v
en as nearly as practical entirely within
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a single lane and shall not be mo
v
ed from the lane until such
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mo
v
ement can be made with reasonable safety
.
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(b)
Official signs may be erected directing slo
w-mo
ving traffic
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to use a designated lane or allocating specified lanes to traffic
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mo
ving in the same direction, and dri
v
ers of v
ehicles shall obe
y
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the directions of the traffic de
vice.
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(c)
(1)
A motor
cycle
, as defined in Section 400, may be driven
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between r
ows of stopped or mo
ving vehicles in the same lane
,
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including both divided and undivided str
eets, r
oads, or highways,
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if both of the following conditions ar
e pr
esent:
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(A)
The speed of tr
affic mo
ving in the same dir
ection is 35 miles
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per hour or less.
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(B)
The motor
cycle is not driven mor
e than 10 miles per hour
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faster than the speed of tr
affic mo
ving in the same dir
ection.
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(2)
This subdivision does not authorize a motor
cycle to be driven
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in contr
avention of other laws r
elating to the safe oper
ation of a
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vehicle
.
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SEC. 2.
No reimb
ursement is required by this act pursuant to
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Section 6 of
Article XIII
B of the California Constitution because
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the only costs that may be incurred by a local agenc
y or school
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district will be incurred because this act creates a ne
w crime or
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infraction, eliminates a crime or infraction, or changes the penalty
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for a crime or infraction, within the meaning of Section 17556 of
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the Go
v
ernment Code, or changes the definition of a crime within
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the meaning of Section 6 of
Article XIII
B of the California
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Constitution.