PIC Work Zone Safety & Traffic Control 3

Question 1

Which type of temporary traffic control device is used specifically to channelize traffic around a work zone and is NOT intended to stop vehicles?

Accepted Answer

Traffic cone

Answer

Traffic cones are lightweight channelizing devices used to guide and separate traffic from the work area but are not designed to stop or redirect errant vehicles.

Question 2

The 'transition area' in a work zone Traffic Control Plan is defined as the section where:

Accepted Answer

Traffic shifts from normal path to alternate path

Answer

The transition area is where traffic is redirected from its normal path to the path required to navigate around the work zone using tapers and channelizing devices.

Question 3

According to MUTCD, portable changeable message signs (PCMS) in work zones should have a minimum character height of:

Accepted Answer

18 inches

Answer

MUTCD requires portable changeable message signs to have a minimum character height of 18 inches to ensure legibility at appropriate distances on roadways.

Question 4

A truck-mounted attenuator (TMA) used in a work zone is classified as:

Accepted Answer

A crash cushion/impact attenuator

Answer

A TMA is a crash cushion or impact attenuator mounted on a shadow truck that absorbs energy from errant vehicles to reduce the severity of crashes in work zones.

Question 5

Which MUTCD work zone sign background color is used for temporary traffic control signs?

Accepted Answer

Orange

Answer

Orange background color is designated by the MUTCD specifically for temporary traffic control signs in work zones to distinguish them from permanent signs.

(PIC) Paving Inspector Certification Practice Test

(PIC) Paving Inspector Certification Practice Test

PIC Work Zone Safety & Traffic Control 3