Roadway Operations Manual

Question 1

Define the following: 
Advanced warning
Block
Buffer space
Downstream
Upstream
Incident space
Taper 
Transition zone
Work area

Answer 1

• Advanced warning: early warning devices for traffic control
• Block: positioning to create a barrier between upstream traffic and the work area
• Buffer space: space between personnel in the work area and traffic
• Downstream: direction traffic is moving away from the incident
• Upstream: direction traffic is moving approaching the incident
• Incident space: protected work area
• Taper: action of merging lanes of traffic
• Transition zone: the area that traffic changes lanes and speed
• Work area: area from blocking apparatus to end of incident space

Question 2

True or False–When multiple units respond together the should remain in a straight line.

Answer 2

True

Question 3

What should you do and look out for when responding on the shoulder?

Answer 3

Reduce speed and use due regard

Look out for signs, debris, guard rails, oversized vehicles, and standing water

Question 4

Designated median strip crossovers marked “Authorized vehicles only” shall only be used when?

Answer 4

Apparatus can complete the turn without obstructing the flow of traffic in either direction or when all traffic has stopped.

Question 5

The use of U-turn access points in jersey walls shall only be used when?

Answer 5

When it is needed for immediate lifesaving measures

Question 6

The proper placement of apparatus is the responsibility of whom?

Answer 6

Driver and Officer

Question 7

In order, layout the highway incident with distances.

Answer 7

Advanced warning
Taper--at least 40'
Buffer space--80'
Blocking engine
Work area

Question 8

Define Fend off position.

Answer 8

engine placed at an angle, with pump panel facing the work area and the front wheels angled away from the incident.

Question 9

Blocking apparatus shall be placed at least ____ft behind the first operating unit?

Answer 9

50

Question 10

Each lane marker is _____ft in length and are spaced _____ft apart.

Answer 10

10’ in length and 30’ apart

Question 11

True or False–Directional arrows shall be used whenever feasible?

Answer 11

True

Question 12

If it is necessary to channel traffic around a curve or hill, the first cone or flare shall be placed where?

Answer 12

Prior to the curve or hill.

Question 13

As the human eye becomes adapted to the dark, what is the first color to leave the spectrum?

Answer 13

Red

Question 14

Vision recovery from light to dark takes how long?

Answer 14

6 seconds

Question 15

Vision recovery from dark to light takes how long?

Answer 15

3 seconds

Question 16

At 50 mph, the distance traveled during a second is?

Answer 16

75 feet

Question 17

In six seconds a vehicle traveling 75 mph has traveled _____ft before the driver regains night vision.

Answer 17

650 ft

Question 18

Do drivers need to turn off headlights at night if it is not needed to illuminate the incident scene?

Answer 18

Yes

Question 19

What is the best combination of lights to provide maximum night visibility?

Answer 19

Red lights and pump panel lights on
Headlights and Fog lights off
Spotlights directed onto a traffic cone
Directional arrows operating

Question 20

Traffic incident levels and impact times.

Answer 20

Minor–30mins with little or no blockage
Intermediate–30mins to 2hrs with lane blockage but not full closure
Major–2hrs or more with closure in any single direction