Operating Procedures for Roadway Incidents Flashcards
refers to the act of merging several lanes of moving traffic into fewer moving lanes.
Taper (120’)
the area at a vehicle-related roadway incident shielded by the
block. This space is also commonly referred to as the work area, which is the prevalent termused in this manual.
Incident space
the distance between moving traffic and the personnel and
vehicles in the protected work area.
Buffer space (80 ft)
positioning a fire department apparatus at an angle to traffic lanes,
creating a physical barrier between upstream traffic and the work area.
Block
involves the roadway lanes where approaching motorists
change their speed and position to comply with traffic control measures established at an incidentscene.
Transition zone
also known as incident space and refers to the area at a vehicle-related
roadway incident shielded by the block.
work area
Emergency response to incidents on limited-access highways should include at least
One unit traveling in each direction
When units respond together in the same direction, they should remain
in single file
Vehicle operators should only use designated median strip crossovers marked “AUTHORIZEDVEHICLES ONLY” when
they can complete the turn without obstructing the flow of traffic in
either direction or when all traffic movement has stopped.
Taper distance
120’
Buffer space distance
80’
The primary objectives for any roadway incident
▪ Establish a safe operating area (i.e., work area) to prevent emergency worker injuries.
▪ Provide emergency care and transportation for the sick or injured.
▪ Establish a water supply.
▪ Protect the environment.
▪ Restore normal traffic flow.
▪ Keep as many traffic lanes open as possible.
▪ Preserve evidence for investigators.
▪ Use the Incident Command Systems to manage resources.
refers to the direction of traffic approaching the incident scene.
Upstream
The use of U-turn access points between Jersey barriers presents an extreme hazard and should occur only when necessary for
Immediate life saving measures
Inside travel lane
lane 1
Multiple EMS units on a roadway incident should position:
diagonally in the protected area for rapid egress
When exiting their apparatus, personnel should perform the following tasks:
- Don appropriate protective clothing or traffic vests.
- Ensure adjacent traffic has stopped or slowed.
- Exit on the work-area side of the apparatus, if possible.
- Ensure their travel path is clear of debris or other hazardous obstacles.
LCES acronym stands for
Lookouts
Communications
Escape Routes
Safety Zones
Emergency warning lights may be turned off when all three of the following conditions occur:
daylight hours,
all involved vehicles and emergency vehicles have been moved out of traffic lanes onto the highway shoulder,
traffic is congested and passing slowly.
When emergency warning lights are turned off, ________ must be activated
emergency flashers
The amount of time required for the human eye to recover from the effects of glare once lights passes through the eye
Glare recovery time
When the eye moves from light to dark, vision recovery takes ______ seconds
6
When moving from dark to light, vision recovery takes ______ seconds
3
At ____ mph, a vehicle travels approximately _____ ft per second
50mph, 75ft
