MIE 10-17-23

Work Zone Traffic Control systems should be designed with a focus on safety for:

• General Contractor

• Motoring Public, Workers and Pedestrians

• Traffic Control Commissioner

• Department of Transportation

What is an area called that is typically marked by signs, channelizing devices, barriers, pavement markings, and/or work vehicles that extends from the first warning sign to the END ROAD WORK sign or the last TTC device?

• End Zone

• Work Zone

• Advanced Warning Area

• Temporary Caution Area

The Temporary Traffic Control (TTC) selected for each situation depends on...

• type of highway

• road user conditions

• duration of operation

• physical constraints

• the nearness of the work space or incident management activity to road users

Most TTC zones are divided into four areas:

b

c

d

e

Activity Area

Termination Area

TTC Area

Advanced Warning Area

Transition Area

Match the following

• Freeway Lane Closures

• WZ(BRK)-13

• Shoulder Work for Freeways & Expressways

• TCP (5)-18

• Work Zone

  "Give us a break" signs

• BC-21

• Barricade and Construction

• WZ(RCD)-13

• Work Zone Road Closure Details

• TCP (6)-12

What type of barricade would normally be used for channelization on expressways, freeways, and other HIGH-SPEED roadways?

• Type I

• Type II

• Type III

• Temporary Traffic Barrier

Which statement is NOT correct when Portable Changeable Message Signs (PCMS) are used in a temporary traffic control zone?

• PCMS are used to provide notice of ramp or lane closures.

• PCMS are used where adverse environmental conditions exist.

• PCMS are used when speed is expected to drop substantially.

• PCMS are used to replace required signing.

Temporary traffic control areas should be carefully monitored to ensure....

• Traffic is maintaining the posted speed limit

• Bicycles maintain adequate spacing from the construction workers

• All devices used are clearly visible, clean, and in good condition

• Flagging stations are adequately shaded

When cones are used on freeways and other high-speed highways or at night on all highways, or when more conspicuous guidance is needed, cones shall be a minimum of in height.

• 28"

• 42"

• 24"

• 36"

Answer explanation

Tubular markers shall be a minimum of 28 inches in height when they are used on freeways and other high-speed highways, on all highways during nighttime, or whenever more conspicuous guidance is needed.

Drums used for road user warning or channelization shall be constructed of lightweight, deformable materials. They shall be a minimum of 36 inches in height and have at least an 18-inch minimum width regardless of orientation.

Match the following

• Portable Changeable Message Sign (PCMS)

• 
• F-Shape Barrier

• 
• Trailer Mounted Flashing Arrow Board

• 
• Truck Mounted Attenuator

• 
• Type III Barricade

•