Setting speed limits.

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Who sets the
traffic? How
speed limit s
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Speed limits
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the speed co
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State law* re
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The law sets
• 75 mph
• 70 mph
interstat
• 65 mph
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governments
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limits are app
limits, the
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requests for
made to their
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solve a problem?
e of these questions
eed Limits Do
are established to r
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Speed Limits
equires speed limit
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for turnpikes and c
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ed limits set? Whe
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on (ODOT) must c
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adopted by the
. Speed limits o
proved by the Com
speed limits are
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mit
speed limits are de
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o
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delay.
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established when m
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ss traffic and eng
a limit for safety
m at:
certain rural interst
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ane highways
s on the highway sy
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klahoma Departm
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Traffic Control
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on highways outs
mmission. When in
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city concurrence.
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speed limit is nor
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ount below the
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den street returns, h
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ximum legal speed
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tem. Questions a
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ments of those local
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driven cycles, sco
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see Oklahoma State
udies
homa highways ar
which represents
ll be traveling at or
inciple used to set
for the past 60 year
conducted to dete
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and the 85th per
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l traffic situation,
uring off peak hour
typically shows r
e width and type, ri
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at speed at or belo
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speed limit may be
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t, such as: narrow
high number of dri
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g the highway to al
for a particular sec
g speed limits on
about speed limits
be directed to the
governments.
ma State Law for
arks, solid tires,
ooters, low and
tric gopeds, and
vices. For more
e Statutes §47-11-
re set by the 85th
the speed the
r below. This is a
t speed limits on
rs.
ermine the 85th
flowing speed for
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To ensure a true
speed studies are
rs under favorable
roadway features
ight of way width,
ings and sites that
earest value to the
or 0. The 85th
ow which 85% of
dy period. In rare
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pavement width,
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white speed limit
lert drivers of the
ction of roadway.
Speed limit
the penaltie
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There are dis
the 85th perc
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motorists who
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simple soluti
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reasonable sp
reduce the nu
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ts may change
es do not. Drive
eed Limit Be
sadvantages to sett
centile speed. If
y low speed limit
lowly, they tend
espect for speed lim
ed limit is set below
officials must dea
d for exceeding th
o drive too fast.
the Primary
problems are not
ions. Requests fo
made with the admir
roblem. However,
olve all the traffic p
s shown that spe
peed of most dri
umber of crashes o
with unreasonably
periodically; ho
Oklahoma frien
e Too Low?
ting speed limits fa
reasonable drivers
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to ignore the sig
mits in general.
w the 85th percen
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he posted limit, as
Concern
t simple and do n
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problems in a com
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y low speed limits.
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ndly.
ar below
s see an
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