roadway incidents Flashcards
(20 cards)
the direction that traffic is moving as it travels away from the incident scene
downstream
also know as incident space the protected area at a vehicle related roadway incident that is shielded from the block is known as what
work area
what is that action of moving several lanes of traffic into fewer moving lanes called
taper
what does LCES stand for
lookouts
communications
escape routes
safety zone
crossing over lanes of traffic on foot should be avoided except when
the roadway is completely shut down
you are responding on a divided highway with three travel lanes on each side. what is the lane closest to the dividing jersey barrier called
inside travel lane
how long does 1 minute of stopped traffic causes an additional ____ delay in traffic for
4 min delay
what are traffic incident levels for the impact to the roadway estimated to be between 30-120 min
intermediate
when the human eye becomes adapted to the dark what is the first color to leave the spectrum
RED
From dark to light how long does vision recovery take
3 seconds
what is the minimum distance a blocking apparatus shall be placed when stopping behind the first operating unit to make a safe working area
50ft
Buffer space should be how long between the tapering of the road with cones and the work area
80ft
how long does light to dark vision recovery take
6 seconds
what is the ansi publication entailed American national standard for high visibility safety apparel and headwear
107-2010
what is the distance between lane markers on the roadway
30’
what is the length of each lane marker
10’
if traveling 50 mph how far will a vehicle travel in 1 second
75’
at 50 mph how far will a vehicle traveled in 6 seconds
450’
Drivers can be completely blinded by head lights. At what distance away from a vehicle with its headlights on will an opposing driver be completely blinded?
2 1/2 car lengths
What is the position called when an engine company is placed at an angle to the lanes, with the pump panel toward the work area to protect the pump operator and front wheels rotated away from the incident?
fend off
