State of New
Hampshire
Departments of
Education and Safety
Division of Program
Support
Driver Risk Prevention Curriculum
Signs, Signals, Markings &
Speed Limits
Signs, Signals, and Pavement
Markings Inform Drivers to be
ALERT for Actual or Potential
LOS-POT Blockages
LOS-POT Zone Changes
LOS-POT= Line-of-Sight or Path-of-Travel
Blocked or Restricted Zone
OPEN ZONE
CLOSED ZONE
CHANGING ZONE
LOS-POT Examples
Open, Closed or Changing Zones?
Traffic signs have three purposes:
Regulate traffic, movement or
parking
Warn of potential dangers or road
conditions
Guide and provide information
Traffic Signs
• Regulatory - Law
– Red, white and
black
• Warning
– Yellow, orange
• Guide
– Blue+red, blue,
brown, white+black,
green
Regulatory, Warning or Guide?
Red
Green
Blue
Yellow
Black
White
Orange
Brown
Fluorescent Optic Yellow
Railroad Crossing Warnings
RR sign or RR painted on the
pavement are advanced
warning signs.
Crossbucks are regulatory signs.
Drivers must yield!
Flashing red lights
Bells
Gates
If you hear or see a train
Traffic Signals
Horizontal or Vertical

Solid Red
Driver must stop

Flashing Red
Stop, proceed when clear

Flashing
Steady Yellow
Warns that a red will follow

Flashing Yellow
Caution
Flashing
Traffic Signals
Horizontal or Vertical

Green
Proceed (look LFR first)

Green Arrows
Proceed without yielding (look LFR first)

Red Arrow
After stop, proceed when clear
Activity
Stare at the next slide for 30 seconds
Go to next slide and focus on the white
screen – what do you see?
91
Common Expressway Signs
• Interstate sign
– Guide signs
• Warning sign
– Construction sign
• Regulatory
– Speed limit
Expressway Signs & Signals
• Lane use signals
Red
Green
X
X
• Ramp Metering
Road Sensors
Traffic Light
Stop Here on Red
Proceed on Green
Yellow
Stop Here
On Red
Proceed on
Green
Roadway Markings
•
•
•
•
Designate lanes
Warn of hazards
Signal permission to pass
Provide other information
White Lines
Separates Traffic Going in
the Same Direction
Solid White – “Fog Line”
Marks right edge of roadway
Stay to the left of this line
Broken White
Separates traffic going in the same
direction, one way streets; you may cross
this line.
Double solid lines
Both lanes of traffic cannot cross
White dots – Lane markers
Helps give direction of lane when turning,
keep to the left of this line
Barrier line
Treat this line as if it were a concrete
barrier, do not cross, this line is twice as
wide as a normal lane line.
Yellow Lines
Separates traffic going in
opposite directions
Solid yellow line
Keep to the right of this line, do not cross,
except when turning left
Broken yellow lines
Both directions may cross this line, passing is
permitted.
Double solid yellow lines
Keep to the right, both directions of traffic
may not cross, both directions cannot pass,
left turns from roadway permitted.
Solid yellow & broken yellow–
Traffic with the solid line cannot pass, traffic
with the broken line may pass.
Yellow dots
Lane guide markers, keep to the right of this
line.
Pavement Markings
Passing or No Passing?
Passing is allowed in both
directions
No Passing is allowed in either
direction
Passing is allowed when on side
with broken yellow
No Passing is allowed in either
direction
Stop Lines & Crosswalks
Stop Lines
Wide white line
When present, legal stop
is here
Crosswalks
When no stop line is
present, legal stop is
here
Solid Yellow Lines
At intersections – no
passing
Multiple Lanes - Arterial
One-way Roadway
Multiple lanes
One or two way roadway?
Two-way Turn Lane
Expressway Lane Markings
Solid Yellow
Left edge of roadway
Solid White
Right edge of roadway
Broken White
Separated traffic lanes
HOV Lane
2 or more persons
Motorcycle riders
Transit
Pavement Markings
Multi-lane
Left turn
only lane
Two lane rural
ONE Way
TWO Way
Stop lines
Cross Walks
Basic Speed Rule
• “No person shall drive on a way at a speed
greater than is reasonable and prudent under
conditions and having regard to the
hazards.” (NH RSA 265:60)
• To obey the basic rule, the following must be
considered:
•
•
•
•
•
Speed in relation to other traffic
Road conditions
How much traffic there is
The condition of your vehicle
Your physical and mental condition
Maximum Speed Limits in New
Hampshire
• Business Districts and Urban Residence
District: 30 mph
• Rural Residential Districts : 35 mph
• All other areas including interstate
highways not otherwise posted: 55 mph
• Specific sections of interstate highway
system where posted: 65 mph
• School zone 10 miles below posted speed
limit from 45 minutes before school opens
to school opening and 45 minutes after
school closes.