Orange cones placed through a work zone are used to:
-
A.
Mark a school zone boundary
-
B.
Mark a permanent no-passing zone
-
C.
Guide drivers away from road construction Correct
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D.
Show where lane changes are restricted
The answer is "Guide drivers away from road construction"
Orange cones are temporary traffic control devices. In a work zone, orange signs warn you what is ahead, and orange cones guide you away from the road construction, around equipment, workers, and torn-up pavement. Option D tempts drivers who remember cones lining freeway lane shifts and half-recall that as a rule against changing lanes; in a work zone the cones are marking the path you should follow, not a restriction against crossing between lanes.
The traps in the wrong answers
A. Mark a school zone boundary
School zones are marked with yellow pentagonal signs, not cones. This answer treats cones as an all-purpose roadway warning device and picks whichever nearby hazard feels most urgent, forgetting that school zone boundaries use permanent yellow pentagonal signs.
B. Mark a permanent no-passing zone
No-passing zones use yellow signs and solid yellow center lines. This answer assumes any lane-narrowing channelization must be a passing ban, since drivers slow down around cones and the two feel like the same rule.
D. Show where lane changes are restricted
Restricted lane changes are shown by double solid white lines. This answer reads cones along freeway lane shifts as a fence against changing lanes, when the manual says cones guide you along the temporary path through the work zone.
This question tests your knowledge of Construction Signs in Oregon. Source: Oregon Driver Manual, "Work Zones," p.59..
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