CTSP CTSP Ground Operations and Traffic Control

Question 1

Under OSHA 1926.201, when tree work is performed adjacent to a public roadway, who is responsible for establishing a traffic control plan?

Accepted Answer

The employer or crew supervisor

Answer

The property owner

Answer

The municipal traffic department only

Answer

The individual groundworker

Question 2

What color are the traffic cones typically required for road work zones in the United States?

Accepted Answer

Orange

Answer

Yellow

Answer

Red

Answer

Green

Question 3

The Manual on Uniform Traffic Control Devices (MUTCD) requires that flaggers use which type of paddle for stop/slow operations?

Accepted Answer

A STOP/SLOW paddle with red and orange faces

Answer

Any brightly colored flag

Answer

A white glove and hand signal only

Answer

A flashing red light

Question 4

What is the minimum personal protective equipment (PPE) required for a ground crew worker in an active work zone?

Accepted Answer

High-visibility vest, hard hat, and safety footwear

Answer

Hard hat only

Answer

Safety glasses and gloves only

Answer

High-visibility vest only

Question 5

Which ANSI/ISEA standard covers high-visibility safety apparel used in US roadway work zones?

Accepted Answer

ANSI/ISEA 107

Answer

ANSI Z87.1

Answer

ANSI Z41

Answer

ANSI Z133

Question 6

When positioning a wood chipper in a work zone, what is the safest orientation of the discharge chute?

Accepted Answer

Away from workers, the public, and traffic — typically into a truck or away from the road

Answer

Toward the street to clear debris faster

Answer

Toward the climber's base position

Answer

Directly downward to create a pile beneath the chipper