MODULE 10
Road Ranger Work Zones
Module 10
Road Ranger / TMC Operator Joint Training
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Purpose of the Course
To train personnel who may be required to
assist motorists and emergency personnel
within the highway right-of-way, as part of
their Road Ranger Duties.
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Objectives of the Course
• To familiarize Road Ranger participants with the
concepts and terminology of setting up a work
zone in emergency situations.
• To gain knowledge and understanding of the
equipment, techniques and Procedures
necessary for the Road Rangers to safely
maintain traffic flow using standards from the
MUTCD and DS 600 Series Indexes.
• To upgrade the performance of personnel
establishing work zones on State and Federal
highways.
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Follow
• All WZTC operations and devices
must conform to:
• Manual on Uniform Traffic Control
Devices for streets and highways
(MUTCD)
• Design Standards (DS)
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Basic Safety Principles
● Traffic safety in temporary traffic control
areas should be an integral and highpriority element of every project from
planning through design and construction.
● Traffic movement should inhibit as little as
possible.
● Drivers and pedestrians should be guided
in a clear and positive manner while
approaching and traversing the temporary
traffic control zone.
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Basic Safety Principles
● To ensure acceptable levels of operation,
routine inspection of traffic control devices.
● To maintain a good message with the
motoring public, upgrade MOT when
materials become availably during the life
of the temporary traffic control zone.
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Basic Safety Principles
● The control of traffic in an emergency
situation is an essential so all agencies
can do their part to open the roads to
the motoring public quickly and safely
● Maintaining good public relations is
necessary.
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What can we expect
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Basic Requirements for Traffic
Control Devices
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Fulfill a need
Command attention
Convey a clear, simple meaning
Command respect of road users
Give adequate time for proper response
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Qualified Product List
• Only approved traffic control devices that
are listed on the QPL may be used.
• Approval number shall be engraved on the
device in a visible location.
• Water – resistant labels may be used
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Function of Traffic Control
Devices
• To warn and alert drivers of
hazards created by work zone
activities.
• To guide and direct drivers and
pedestrians safely past the
hazards.
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Road Ranger / TMC Operator Joint Training
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Placement
• Channelizing devices must be
placed to provide a smooth and
gradual transition in moving traffic
through the work zone
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Road Ranger / TMC Operator Joint Training
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TRAFFIC CONES and TUBULAR
MARKERS
• COLOR - Orange shall be the
predominant color and should be kept
bright and clean for maximum target value.
• USE - Cones and tubular markers are
applicable for daytime use. For nighttime
use, cones must be reflectorized.
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Traffic Cones
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Cone Spacing
• Maximum spacing between cones shall be
25 feet (8 paces)
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Cones
• Only used when workers are present
• Not to exceed 2 miles or a 12 hour work
period
• One person to maintain them
• Reflective collars when used at night
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Arrow Panels
• USE - Intended to supplement other
warning devices.
• Provide additional advance warning
• Used for lane closures on high-speed,
high volume multi-lane roadways.
• Left indication shall never be displayed on
a lane closure on a two-lane, two-way
highway. Only CAUTION mode(s) will be
used on these types of highways.
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Road Ranger / TMC Operator Joint Training
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Arrow Panels
MODES
– PASS LEFT
– PASS RIGHT
– PASS EITHER SIDE
– CAUTION
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Size:
Panel Type
Type A
Type B
Type C
Type D
Arrow Panels
Minimum Size (inches)
48 X 24
60 X 30
96 X 48
Must conform to an arrow
Type A: For use on low-speed urban streets
Type B: For intermediate-speed facilities and for
maintenance operations on high speed roadways.
Type C: Intended to be used on high-speed, high
volume traffic control projects.
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Road Ranger / TMC Operator Joint Training
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Arrow Panels
• Nighttime Use - When Advance Warning
Arrow Panels are used at night, the intensity
of the flashers shall be reduced.
• Location - For lane closures on multi-lane
roadways, an arrow panel should be located
on the shoulder at the beginning of the
taper. An alternate location is centered in
the closed lane behind the taper
channelizing devices near the beginning of
the taper - if shoulder space is not available.
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Intensity
(Arrow Board Brightness)
• High intensity during the day
• Low intensity during the night
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Warning Signs
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Guide Signs
Guide signs generally have a rectangular shape
with the long dimension horizontal. The basic
color for guide signs is white on green.
At work zones , guide signs may be black on
orange to indicate routing changes due to the
maintenance activity. Information signs which
relate to the work being done and detour route
are black legend on an orange background.
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Road Ranger Flagging
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Flagger - Qualifications
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Sense of responsibility
Trained in safe traffic control practices
Average intelligence
Good physical condition
Mental alertness and ability to react in an
emergency
• Courteous but firm
• Neat appearance
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TRAFFIC CONTROL OPERATION
• Operations in response to emergencies,
varies according to the nature, duration,
location of work, type of roadway, speed of
traffic, and the potential hazards
• Upgrade MOT when material becomes
available during the life of the temporary
traffic control zone
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Units of Measurement
• ODOMETER:
– 1/10 of a mile on the odometer equals 500 feet
(actual 528). This provides a safety margin of 28
feet each 1/10 of a mile.
• REFLECTIVE PAVEMENT MARKERS [RPM]:
– Presently spaced 40 feet apart.
– Skip Strip - 40 feet from start to start
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Approaching the Site
• Do we have to push?
• Close the shoulder?
• Close the Lane?
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Shoulder
• Park 30 to 50 feet behind
• Display Caution Mode
• Set Cones
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Lane Closure
• Park 30 to 50 feet behind
• Display Arrow in the direction you
want traffic to flow.
• Set up cones
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Set-up Scenarios
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Shoulder MOT Setup
DAV
30 ft
25 ft
Road Ranger
25 ft
25 ft
10 ft
30 ft
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Upon Arrival - Road Ranger #1
Arrive, Assess, Advise, Assist
Crash
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Crash
30 ft
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Road Ranger #2
MOT Maintenance
Crash
Crash
Fire Rescue
30 ft
RR #1
Law enforcement
RR #2
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Road Ranger / TMC Operator Joint Training
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SIRV ARRIVAL
MOT UPGRADE
Crash
Crash
Fire Rescue
30 ft
RR #1
Law enforcement
SIRV
RR #2
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PROPER SET UP
• First sign up
• Last sign down
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So what do we need?
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Vinyl Signs for day or night operations
Sign Stands
Traffic wand or reflectorized red flag
Stop slow paddle
Some type of flood light for nighttime
flagging operation
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Discussion!
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