Signs Signals and Pavement Markings
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 position• 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 intersection
• 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 four-way 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 traffic
• 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
• INCREASE ALERTNESS!
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
numbered• East and West are even
numbered• 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 connects to interstate highways at both ends
Interstate
County Route Marker
U.S. Route Marker
State 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 are.
• 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
directions• Separate the left edge of multiple-lane, divided
highways• 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 pass)• Double yellow lane line (Dangerous and Illegal to
pass)
Pavement Markings
Pavement MarkingsShared 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 evening
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:
• Lines
• Arrows
• Symbols
• Lettering
Pavement Markings• Special Warning Signs – A fluorescent and reflective
orange triangular sign indicates slow-moving vehicles
• 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 cars
• Roundabouts – A one-way circular intersection in which traffic flows around a center island