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jjj-safe hwy SOG
na
9
Other
Graduate
10/19/2013

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Cards

Term
advance warning notification
Definition
- 5 times (ft) the posted road speed
- 1st warning device
Term
buffer zone
Definition
distance b/n personnel and work zone
- 10 feet for every 5 miles of posted speed
Term
shadow
Definition
the protected work area that is sheilded by the block (apparatus)
Term
taper
Definition
-the action of merging lanes into fewer lanes
- 10 ft for every 5 miles of posted speed
Term
transition zone
Definition
lanes where motorists change speeds to comply with traffic control measures
Term
upstream
Definition
direction that traffic is moving as it approaches the scene
Term
reflective vests, what class?
Definition
class 3
Term
warning flares
Definition
- when facing oncoming traffic
- 15 ft intervals
- farthest flare about 75 ft away to allow adequate advanced warning
Term
flares on limited access, high volume hwys... how far back
Definition
150 ft
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