Blocking ✔✔Is the act of positioning a responder vehicle upstream of an incident to
obstruct the flow of moving traffic in one or more lanes, and/or the shoulder
ex) parallel, angled
What kind of vehicles provide the best blocks? ✔✔Large, heavy vehicles provide the best blocks
Lane +1 blocking ✔✔Occurs when responders block the involved lane(s) (including
shoulder) plus one additional lane to provide a protected lateral space for safety
Progressively open lanes ✔✔Take as many lanes as you need for as long as you need them
and then give them back as soon as safely possible
When should high-visibility safety apparel be worn? ✔✔Directing traffic
Investigate Crashes
Handle lane closures
Obstructed roadways
Disasters
When should HVSA be replaced? ✔✔-Not visible at 1,000ft day or night
-Faded
-Torn
-Dirty
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