2-6-8 Flagging, Signs, and Barricades – Part III

Question 1

The temporary traffic control zone includes the entire section of roadway between the first advanced warning sign through the last traffic control device, where traffic returns to its normal path and conditions.

Answer 1

True

Question 2

The traffic control zone consists of an advanced warning area, a transition area, an activity area, and a(n) __?__ area.

Answer 2

termination

Question 3

Traffic control devices should be taken down in the same order that they were set up.

Answer 3

False

Question 4

The three types of traffic signs defined by the MUTCD are regulatory, warning, and __?__.

Answer 4

guide

Question 5

Regulatory signs are generally rectangular, with a black legend and border on a __?__ background.

Answer 5

white

Question 6

Regulatory signs impose legal obligations on all drivers and must be authorized by the proper authorities who have jurisdiction over the roadway on which they are posted.

Answer 6

True

Question 7

To provide advanced visual sight distance over preceding vehicles and to alert drivers of upcoming work, a __?__ warning device would be used.

Answer 7

high-level

Question 8

Flaggers must be stationed at both ends of the project to hold traffic until the pilot car is available to guide motorists safely through the area.

Answer 8

True

Question 9

Warning signs on an urban (high speed) road should be placed __?__ apart.

Answer 9

350’

Question 10

The first warning sign on a highway should be placed at least __?__ before the transition area.

Answer 10

1,500’

Question 11

In city work zones, warning signs should be spaced approximately __?__ apart.

Answer 11

100’

Question 12

The process of diverting traffic from its normal path in order to safely guide motorists around a work site and provide maximum safety to workers is called __?__.

Answer 12

channelization

Question 13

Cones that are used on highways at nighttime must be a minimum of __?__ in height.

Answer 13

28”

Question 14

Drums that are used to channel traffic on rural roads must be at least 36 inches high and made of metal.

Answer 14

False

Question 15

The different between a type 1 and type 2 barricade is that the type 2 barricade will have __?__.

Answer 15

two rails

Question 16

To block a roadway that will be completely closed for a long period of time, a __?__ barricade is used.

Answer 16

Type III

Question 17

The stripes on a vertical panel angle upward in the direction that traffic is to pass.

Answer 17

False

Question 18

If traffic is to be moved laterally, a __?__ taper is used.

Answer 18

shifting

Question 19

When traffic is required to move into an adjacent lane, a __?__ taper is necessary.

Answer 19

merging

Question 20

A(n) __?__ taper lets drivers know that the closed lane around the work zone is now accessible and traffic can now use the previously closed lane.

Answer 20

downstream

Question 21

When a work area is on the side of the road, a(n) __?__ taper may be used.

Answer 21

shoulder

Question 22

The distance required to safely route traffic from one lane to another is called __?__ length.

Answer 22

taper

Question 23

A lane closure needs to be set up on a highway that has 12.5 foot wide lanes and a posted speed limit of 60 miles per hour. What is the required taper length?

Answer 23

750’

Question 24

The longitudinal buffer space, which is placed upstream from the work space on an interstate highway, with a 65 miles per hour speed limit should be __?__ in length.

Answer 24

645’

Question 25

What is the minimum number of cones required to set up a merging taper when the posted speed limit is 55 miles per hour and the width of the lane to be closed is 11 feet?

Answer 25

12

Question 26

A buffer space is required in the activity area of a traffic control zone.

Answer 26

False

Question 27

When attached to the rear of protective vehicles, a truck-mounted __?__ is capable of absorbing the impact of errant vehicles and reduce the severity of rear-end collisions.

Answer 27

attenuator

Question 28

When visibility of both ends of the traffic control zone cannot be maintained at all times, two or more flaggers should be used.

Answer 28

True

Question 29

When work sites require three flaggers, the middle flagger should be designated as the __?__ flagger.

Answer 29

lead

Question 30

If radio contact between flaggers is lost, the flaggers should stop all traffic until radio contact is reestablished.

Answer 30

True