Special Speeds

Question 1

What is a W.O.N?

Answer 1

Weekly operation notice

Question 2

Where are weekly temporary or permanent speed restrictions listed?

Answer 2

Weekly operation notice (WON)
Circulars 
WTT amendments 
Book of rules
WTT addenda

Question 3

When is 25km speed restriction generally used?

Answer 3

Entering a terminal platform
Until entire train is on the viaduct
Until entire train has departed fss
Maximum speed for extreme caution
Speed limit on platform 8A
Speed proving trips

Question 4

When is a 40km speed restriction used?

Answer 4

Diverging moves from the main line
Metro freight bypass
When powering from a motor other then the lead but braking from then lead
Through viaduct

Question 5

When is a 15km speed restriction used?

Answer 5

• Passing over facing points when held by hand
• Passing over facing points that are usually passed in the trailing position
• Trains involved in shunting movements
• Rescuing trains from the advance on abs and from either side for single line working
• All train movements between sidings
• Any wrong line movements of trains
• powering and braking from anywhere then the lead motor
• Setting back in the MURL

Question 6

Describe a speed board

Answer 6

Square yellow reflective board with black numerals which indicates the maximum speed permissible in km/h

Question 7

What does the G, F, and P mean on speed boards?

Answer 7

G = Goods
P = Passengers
F = Fast goods/Freight

Question 8

What side of the track are curve boards located?

Answer 8

Left side

Question 9

Describe a WOLO 80 restriction

Answer 9

• Line specific
• 38-41 degrees and when the rail temperature reaches 55 degrees and rising
• 80km/h maximum speed

Question 10

Describe a WOLO 70 restriction

Answer 10

• Whole network
• temperatures of 42 degrees and above
• 70km/h allowable trackspeed on entire network

Question 11

In what order do permanent way boards display themselves?

Answer 11

W
C
NS
N

Question 12

What are co active signals?

Answer 12

They are a replication of a signal that is obstructed from view

Question 13

What do we do in the event a co active signal does not match the fixed signal?

Answer 13

We treat it as a danger signal and contact train control

Question 14

For a Comeng, what is the speed restriction for isolated air bags?

Answer 14

Half track speed to a maximum of 30km/h

Question 15

With 2 or less bogies isolated on a 6 car train, what is the speed restrictions?

Answer 15

No speed restriction up to 60km/h then 10km/h below track speed for any speed above 60km/h

Question 16

In an Siemens, what speed can you get up to with the park brakes applied until the safety loop opens?

Answer 16

5km/h

Question 17

What is the speed restriction for isolated air bags in a Siemens?

Answer 17

80km/h

Question 18

What is the speed restriction for skidding wheels?

Answer 18

5km/h

Question 19

What’s the procedure when you’ve hit ATWs?

Answer 19

Long whistle
Reduce speed
Hit mad button
Be on lookout for track workers
Anticipate a red flag