Roadway Manual - October 2012 Flashcards
Operating Procedures for Roadway Incidents - October 2012
What is the name of the manual published by the Common Wealth of Virginia that identifies the roles and responsibilities of responding public safety and private agencies in relation to roadway incidents?
Virginia Work Area Protection Manual (VA DOT, 2011)
Page 1
What are the primary objectives for any operation at the scene of of a road way incident?
- Establish a safe operating area (work area) to prevent injuries to emergency workers.
- Provide emergency care and transportation of the sick and injured
- Establish water supply
- Protect the environment
- Restore normal traffic flow
- Keep as many traffic lanes open as possible
- Preserve evidence for investigators
- Use the ICS / Unified Command System to manage resource
Page 2
The distance or space between personnel and vehicles in the protected work area and near by moving traffic is called ________.
Buffer Space
Page 2
The protected work area at a vehicle-related roadway incident that is shielded by the block from apparatus and other emergency vehicles is called the _________?
Incident Space or Work Area.
Page 3
The action of merging several lanes of traffic into few moving lanes is known as ________.
Taper
Page 3
The lanes of a roadway within which approaching motorist change their speed and position to comply with the traffic control measures established at an incident scene are known as ________
The transition zone
Page 3
The direction traffic is moving as it travels away from the scene is __________.
Downstream
Page 3
The direction from which traffic is traveling as vehicles approach the incident scene is __________.
Upstream
Page 3
Beginning July 1st, 2012, all emergency responders within the right of way who are either exposed to traffic or to emergency vehicles and equipment within the incident scene, shall wear high-visibility safety apparel that meets what requirements?
The requirements of the ANSI / ISEA 107-2010 publication entitled “American National Standard for High-Visibility Safety Apparel and headwear.”
Page 6
What does LCES stand for?
Lookouts
Communications
Escape Routes
Safety Zones
Page 6
The operating procedures for roadway incidents manual mentions 5 things apparatus operators must be aware of when responding in a shoulder lane. What are those 5 things?
- Road signs
- Debris
- Guard rails
- Oversized vehicles and stopped vehicles
- Standing water
Page 7
When should designated median strip crossovers marked “Authorized Vehicles Only” be used?
Only when apparatus can complete the turn without obstructing the flow of traffic in either travel direction, or when all traffic movement has stopped.
Page 7
When can U-turn access points in Jersey barriers be used?
Only when the situation is necessary for life saving measures.
Page 7
Lanes get marked as lanes 1, 2, 3 etc. Which lane is designated as lane 1?
The inside travel lane.
Page 9 (see diagram)
What is the fend-off position ?
When the engine company is placed at an angle to the lanes, with the pump panel towards the work area to protect the pump operator and front wheels are rotated away from the incident.
Page 9
How far behind the incidents should blocking apparatus be?
At least 50 feet behind the first operating unit.
Page 10
In what situation would you not position the engine behind the incident scene?
What should happen if the engine opts to position past the incident?
If taking the primary blocking position behind the fire will expose the engine to the possibility of fire extension.
The second apparatus, and third if necessary, shall always be placed between oncoming traffic and the incident and emergency responders engaged in operations.
Page 10
How long should the buffer space be?
80 ft.
Page 13
The taper length should begin diagonally across the roadway beginning at the buffer space and working downstream towards traffic for at least _____ ft.
40 feet
Page 13
Each lane marker is ______ feet and there is ____ feet between markers
10 feet
30 feet between markers
Page 13
Roadways facilitating speeds of _____ mph or greater should have longer taper and buffer spaces.
55 MPH
Page 13
As the human eye becomes adapted to the dark, what is the first color to leave the spectrum?
Red
Page 14
From light to dark, vision recovery takes how long?
At least 6 seconds
Page 14
From dark to light, vision recovery takes how long?
3 seconds
Page 14
During night hours, Studies show that at ______ car lengths away from a vehicle with its headlights on, the opposing driver is completely blinded.
2.5 car lengths
Page 14
What is the best combination of lights to provide maximum night visibility?
Red warning lights on
Headlights off
Fog lights off
Pump panel lights on
Spot lights on rear and front directed on a traffic cone
Traffic directional board operating
Page 14
One minute of stopped traffic causes an additional ______ delay in travel.
four minute delay
Page 15
What are the three traffic incident levels?
Level 1 (Minor) - Impact to the traveled roadway is estimated to be less than 30 minutes with no lane blockage or minor road blockage
Level 2 (Intermediate) - Impact to the traveled roadway is estimated to be between 30 minutes and 2 hours with lane blockage, but not full closure of the roadway.
Level 3 (Major) - Impact to the traveled roadway is estimated to be more than 2 hours OR the roadway is closed in any single direction; significant area-wide congestion is expected.
Page 16