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Gives notice to road and traffic laws or regulations. These signs
impose legal obligations and/or restrictions on all traffic -
Generally rectangular (long verticall) -Black lettering, white
background - ANSWER-Regulatory Sign
-Gives notice to road users of a situation that might not be
readily apparent Genrally diamond shape (48" X 48") -
Temporary signs are orange with black lettering -Permanent
signs are yellow with black lettering - ANSWER-Warning Signs
-Show route destinations, destinations, directions, distances,
services, points of
interest, or other geographical information -Rectangular shape
(long horizontal)
-Temporary signs are orange with black lettering -Permanent
signs are green
with white lettering - ANSWER-
Guide Signs
(4) Road Types - ANSWER--Urban Low Speed (25-30 mph) -
Urban High Speed
,(35-40 mph) -Rural (45-55 mph) -
Expressway/Freeway (55+ mph)
The straight away area between the work area and lane of traffic
that runs from
taper to taper - ANSWER-
Tangent
Taper length formula for posted speed 45 MPH or faster -
ANSWER-L = WS (L
is taper length in feet) (W is width of lane to be closed or
offset) (S is posted
speed
limit)
Taper length formula for posted speed 40 MPH or less -
ANSWER-L = WS(squared)/60 (L is taper length in feet) (W is
width of lane to be closed or offset) (S is posted speed limit)
Suggested advanced warning sign spacing for Urban(low
speed) - ANSWER-A
100ft B 100ft C
100ft
Suggested advanced warning sign spacing for Urban (high
speed) - ANSWER-
A 350ft B 350ft C
350ft
, Suggested advanced warning sign spacing for Rural - ANSWER-
A 500ft B 500ft
C
500ft
Suggested advanced warning sign spacing for
Freeway/Expressway -
ANSWER-A 1000ft B 1500ft C
2640ft
Equiptment used in a traffic control zone to divert traffic from
its normal path -
ANSWER-Channelization
Devices
The distance required to safely route traffic from its normal
path - ANSWER-
Taper
Length
How high temporary signs must be mounted above the
traveled way -
ANSWER-
1 ft
Nighttime or high speed roads, traffic cones shall be this
minimum height. -