Operations For Roadway Incidents Flashcards
Only use designated median strips marked “AUTHORIZED VEHICLES ONLY” when?
You can complete the turn without obstructing the flow of traffic in either direction OR when all travel movement has stopped.
The use of U-turn access points between Jersey barriers presents an extreme hazard and should only occur when?
When necessary for immediate lifesaving measures.
First arriving engine should position _____ to the incident
Prior
How should an Engine position on scene of a highway incident? And what is this also called?
Should place the vehicle at an angle to the lanes with the front wheels rotated away from incident and pump panel facing toward the aork area. This is known as the “fend off” position.
In incidents at intersections ____ exposed sides should be blocked.
ALL
Blocking apparatus should position how far away on a highway incident scene?
At least 50 ft behind the first operating unit to create a safe work area.
If incident requires personnel to channel traffic around a curve, hill, or ramp the cone should be placed _______ to the hill or curve
PRIOR
Personnel operating within a roadway or are exposed to moving traffic shall wear what?
High Visibility safety vest
What company outlines the safety requirements during roadway incidents?
ANSI
American National Standards Institute
Personnel engaged in roadway operations that expose them to fire, heat, hazardous materials should wear —–?
Reflective Turnout Gear
As specified by NFPA 2112
What does LCES stand for?
Lookouts
Communications
Escape Routes
Safety Zones
When Emergency warning lights are turned off, _____________ must be activated.
Emergency flashers
What color blends into nighttime surroundings and becomes more difficult to see?
Red
When eye moves from light to dark, vision recovery take __ seconds.
From dark to light, vision recovery takes __ seconds.
6
3
Best combo of warning lights for nighttime visibility?
Red warning lights on
Headlights off
Fog lights off
Pump panel lights on
Rear and front spotlights on and directed onto a cone
Traffic directional boards operating (if equipped)
One minute of stopped traffic cause an additional __ minute travel delay.
4 minute
When setting up to block and incident scene how far of a “Buffer Space” do you set up? Then, how far do you “taper” diagonally back?
80 Ft Buffer
120 Ft Taper
How many units are required on highway incidents?
At least one in each direction.
How should you pass through flexible delineator markers?
Reduce speed and pass through at a shallow angle.
Who takes responsibility for positioning at a scene?
The officer and driver share equal responsibility
How far should your taper/ buffer space be on highway incidents?
120ft taper, 80ft buffer
How far should you position behind the first arriving unit on scene?
At least 50 ft
Who should the IC consider requesting for incidents on highways and interstates?
VDOT
What is the publication that outlines high visibility safety apparel ?
ANSI/ international safety equipment association 107-2010
Standard for reflective turnout gear?
National fire protection association 2112
What does LCES stand for.
L ookouts
C ommunications
E scape routes
S afety zones
What needs to be activated when not using emergency lights, when blocking on a shoulder?
Hazard lights, four way flashers
Recovery time light to dark? Dark to light?
Light to dark- 6 sec
Dark to light- 3 sec
At what distance will oncoming vehicle headlights blind the opposing drivers?
2.5 car lengths
Best combo for maximum night time visibility?
-Red warning lights on
-headlights off
-fog lights off
pump panel lights on
-rear and front spotlight on and directed at a cone
-traffic directional boards operating
What law requires motorists involved in injury free crashes to move vehicles to a non traffic restricting location?
VA incident clearance law
One min of stopped traffic causes an additional ____ travel delay?
4 mins
What are traffic incident level time frames?
1- less than 30 mins
2- 30 mins to 2 hour
3- More than 2 hours
