Blocking Back

Question 1

When can blocking back inside home signal be used? (5)

Answer 1

1. Any movement that will be stopped on the running line.
2. At work site marker board for T3 possession.
3. Work which will affect the safety of the line to take place within the clearing point.
4. An out of gauge movement.
5. Any other obstruction.

Question 2

To block back inside, What criteria is to be met for the bell code and block indicator? (2)

Answer 2

1. Train out of section has been sent
2. The block indicator is at normal