Signs Signals and Pavement Markings

Signs Signals and Pavement
Traffic-Control Devices
• Located at intersections
– More fatalities occur at intersections than at any
other locations
• Used to control traffic by indicating who has
been granted the right-of-way
• Signal Color heads are always in the same
• May be arranged Horizontal or Vertical
• Illumination Sequence:
– Green – Yellow – Red – Green
Traffic-Control Devices
• Vertical – red light is always on top. Yellow
in the center. The green light is the third line
• When the lights are horizontal, red is always
on the left
Traffic-Control Devices
• Red Light – A motorist must stop before the intersection or
crosswalk and remain stopped until the light changes
• Yellow Light – A motorist should stop before entering the
intersection or crosswalk, unless his vehicle is so close to
the intersection that it cannot be stopped safely
• Green Light – A motorist should proceed through the
• Green Arrow – When shown alone or in combination with
the red signal, proceed only as shown by the arrow
• Flashing Yellow Light – Slow down and proceed with care
• Flashing Red Light – Stop. Yield to traffic and pedestrians
• Unlit Signal – Stop if a signal does not have any of its bulbs
working and no is directing traffic. It is considered a fourway stop sign
Walk and Do Not Walk
• Orange, Steady Raised-Palm Symbol – Pedestrians
must not leave the sidewalk or enter the roadway when
facing the light.
• White, Steady Pedestrian Silhouette/Countdown
Pedestrian Sign with Steady Pedestrian Silhouette –
Pedestrians facing the signal may cross the roadway in
the direction of the signal. New Jersey law requires
turning motorists to yield to pedestrians crossing on the
signal and to pedestrians in the crosswalk
Regulatory Sign
• Regulates or controls
the movement of
• Inform you of laws
that apply at a given
time or place
• Colors – Red, white,
black, green on white,
or white on black
Warning Sign
• Alerts you to changes in the
condition or use of the
roadway ahead
• Tell you about road
construction and maintenance;
school zones and crossings;
railroad crossings; curves;
intersections; changes in road
with; and pedestrian, animal,
and vehicle crossings.
• Colors – Yellow, fluorescent
yellow-green, or orange with
black letters
• Use numbers and symbols and
most are diamond shaped
Guide Signs
• Four Types
–Route Markers
–Destination and Mileage Signs
–Roadside Service Signs
–Recreational-Area Signs
Route Markers
• Identify which route you
are driving on
• Various symbols and
colors are used
• North and South are odd
• East and West are even
Interstate Routes that lead into
cities have three digits and begin
with an odd digit If a three-digit
route begins with an even digit,
the route goes around a city and State Route Marker
connects to interstate highways at
both ends
U.S. Route Marker
County Route Marker
Destination and Mileage Signs
• Tell you where you are, which lane to take
to get to your destination, what exits are
coming up, and how far away the exits
• Color – Green with white lettering
Roadside Service Signs
• Gas, Food, or to make a phone call
• Color – Blue signs with white lettering
Recreational-Area Signs
• Guide you to state and national parks,
historic sites, and other places of interest
• Color – Brown signs with white lettering
Pavement Markings
• Yellow Lines
• Used to separate traffic traveling in opposite
• Separate the left edge of multiple-lane, divided
• Single, broken yellow lane line (May pass if safe)
• Broken yellow lane line on your side next to a
solid yellow lane line (May pass if safe)
• Solid yellow lane line on your side next to
broken yellow lane line (Dangerous and Illegal to
• Double yellow lane line (Dangerous and Illegal
to pass)
Pavement Markings
Pavement Markings
Shared Left-turn Lane
• Lane marked by parallel solid and broken yellow
lines with white arrows that point alternately Left
and Right
• Used to make left turns from both directions
Reversible Lane
• Double-dashed (broken) yellow lines
• Used to improve traffic flow in one direction in
the morning and the opposite direction in the
Pavement Markings
• White Lines
• Lines parallel to the roadway mark the lanes for
traffic moving in the same direction
– Broken – Move from lane to lane
– Solid – Discourage passing
• Indicate the right side of the roadway
Pavement Markings
Other Markings Include:
Pavement Markings
• Special Warning Signs – A fluorescent and reflective
orange triangular sign indicates slow-moving
• Rumble Strips – Transverse and longitudinal rumble
strips are small indentations or narrow, raised strips
on the highway or shoulder that are put there to alert
the motorist there is a decision point ahead.
• Speed Humps/Speed Bumps – A low ridge that runs
across a street and that is designed to slow down
• Roundabouts – A one-way circular intersection in
which traffic flows around a center island