CA Flagger Setup and Closure 3

Question 1

During closure removal (takedown), in what order should traffic control devices be removed relative to the direction of travel?

Accepted Answer

Start at the work area end and remove devices moving upstream (toward approaching traffic)

Answer

Start at the farthest upstream device and work toward the work area

Answer

Remove all devices simultaneously

Answer

Remove devices in the transition area first, then advance warning signs

Question 2

A flagger is removing cones at the end of a shift. Traffic is still using the roadway. What is the safest technique?

Accepted Answer

Remove cones only when a gap in traffic allows safe access

Answer

Reach into the travel lane as quickly as possible to grab each cone

Answer

Stand in the buffer zone, retrieve cones from the traffic side without stepping into the active lane

Answer

Have a worker stop traffic completely before removing any cones

Question 3

When setting up a short-duration work zone that will be in place for less than one hour, which type of traffic control setup is most commonly used in California?

Accepted Answer

Mobile operation setup with vehicles in shadow position

Answer

Full road closure with barriers

Answer

Reduced device spacing with flagger control only

Answer

Full permanent signage installation

Question 4

What does the 'termination area' of a temporary traffic control zone provide for drivers?

Accepted Answer

A space for drivers to transition from restricted conditions back to normal road operations

Answer

A location where flaggers rotate positions

Answer

The area where cones are stored when not in use

Answer

A designated area for emergency vehicle access

Question 5

A temporary lane closure is being set up on a road with a 55 mph posted speed. Which advance warning sign should be placed farthest from the work area?

Accepted Answer

ROAD WORK AHEAD

Answer

ONE LANE ROAD AHEAD

Answer

FLAGGER AHEAD

Answer

LANE CLOSED AHEAD

Question 6

During setup of a lane closure, a cone blows over due to wind before setup is complete. What should the flagger do?

Accepted Answer

Alert the supervisor and reposition the cone when safe to do so

Answer

Leave it until setup is finished

Answer

Pick it up immediately even if it requires stepping into traffic

Answer

Replace it with a sign instead

Question 7

What is the function of channelizing devices (cones, drums, or barriers) in the transition taper of a lane closure?

Accepted Answer

To guide drivers smoothly from the closed lane into the open lane

Answer

To stop all vehicles before the work zone

Answer

To mark the location of underground utilities

Answer

To provide storage for excess equipment