Metro Flashcards
What four metro lines are in Fairfax County?
Blue, Yellow, silver and Orange
How many metro stations are in Northern VA?
25 stations and two inspection/service yards
11 surface, 8 subsurface, 5 aerial and one with features of all three types
What is a tail track?
A track used to store trains during revenue service hours
What are the dimensions of a rail car?
Each rail car is 75’ long, 10’ wide, 10’10” high. Weight is 36-40 tons per car.
Except the 7000 series car they weigh 41 tons.
Rail cars operate in pairs, what marks each car?
The “A” car carries and even number while the “B” car carries and odd number
What is the minimum and maximum number of cars on a train?
2–150’ train (except for 7000 series which require 4 cars)
8–600’ train
Rail cars are constructed similar to what?
Automobiles with no frame
How many door panels are on each rail car? How are they numbered?
14 door panels (bulkhead doors are not numbered)
Door panels on the operator cab side are numbered 1-6 starting directly behind the operators cab, opposite side 7-12
What are the side door windows made up of?
Polycarbonate/safety glass combination
7000 series- multilayer laminated glass and polymers
If there is a dire emergency and a door window must be removed for ventilation how should this be accomplished?
By striking the lower edge of the window with a heavy striking tool
Where is the door opening control located and what doors will it open?
In the operators car and will open all doors on that side of the car. In order to open doors by this switch the train must be at the station platform and the third rail must be energized
What doors can be opened from the outside and how?
Doors 2, 8 and 9 with the use of the XX barrel key on the metro key ring
What doors can be opened from the inside with the manual pull handles?
3, 4, 9, and 10
How many passengers can a car hold?
200 per car, max of 1600 per train
What car are the batteries located in?
The “B” car
Can the emergency door openers be activated while the train is moving?
No, it must be stopped.
What is the only window on a rail car that opens?
The operator’s cab windows
When removing a rail car window by the zip strip what is the final step?
Pushing the window into the car
What is the return side and ground of the car’s electrical system?
The running wheels
All rail cars have two communications systems which are?
An internal intercom and a metro radio
What doors are non-electric and can be opened regardless of the power status of the rail car?
The bulkhead doors
When evacuating passengers through the bulkhead doors what is absolutely necessary and where is located?
The emergency ladder, it is either in a compartment opposite the operator’s cab or under the first side-facing seat opposite the operator’s cab
What are the three types of metro stations?
Aerial or elevated, surface or at grade, and sub-surface or underground. This is determined by the platforms location compared to adjacent road surfaces
There are several types of station platforms, what are they?
- Side load platform-center track
- center load platform-side track
- split platorm-multiple level
- a combination of the above