Track Safety: Rule 917 Individual Train Detection (ITD)

Question 1

When is the method of ITD used?

Answer 1

• When moving on foot (e.g inspections, investigations, site familiarisations)
• When making minor corrections (e.g replacing a fish-plate bolt) which will not interfere with the safe running of trains
• When crossing the line at a maintenance crossing

Question 2

When is the use of ITD prohibited?

Answer 2

• In Tunnels
• PWA, except when directed by RPO for secondary protection purposes