Roadway Incident Manual Flashcards
The distance or space between personnel and vehicles in the protected work area and nearby moving traffic is known as ______.
Buffer Space
The action of merging several lanes of moving traffic into fewer moving lanes is known as __________.
Tapering
The lanes of a roadway within which approaching motorist change their speed and position to comply with the traffic control measures established at the incident scene is called the _________.
Transition Zone
What does the acronym LCES stand for?
Lookouts
Communications
Escape Routes
Safety Zones
When can designated median strip crossovers marked “Authorized Vehicles Only” be used?
Only when apparatus can complete the turn without obstructing traffic flow in either direction or when all traffic movement has stopped.
When can you respond in the opposite direction on an access / egress ramp.
Only if the officer can confirm that oncoming traffic has been stopped and that no civilian vehicles will be encountered.
When can you use the “U-turn” access points in a jersey barrier?
Only when necessary for immediate life saving measures.
How far away should blocking apparatus be from the first operating unit?
At least 50 feet
How long should the buffer space be?
At least 80 feet
How long should the taper length be?
At least 40 feet
As the human eye becomes adapted to the dark, what is the first color to leave the spectrum?
Red
From light to dark, vision recovery takes approximately how long?
6 seconds
From dark to light, vision recovery takes approximately how long?
3 seconds
What is the best combination of lights to provide maximum night visibility?
Red warning lights on Headlights off Fog lights off Pump Panel lights On Spot lights on rear and front on and directed to a traffic cone Traffic directional boards operating
What are the three traffic incident levels?
Level 1 - Minor - Impact to the traveled roadway is estimated to be less than 30 minutes with no lane blockage or with minor lane blockage
Level 2 - Intermediate - Impact to the traveled roadway is estimated to be between 30 minutes and 2 hours with lane blockage but not full disclosure of the roadway
Level 3 - Major - Impact to the traveled roadway is estimated to be more than 2 hours OR the roadway is closed in any single direction; significant area wide congestion is expected.
