Interlocking Courses

Relay Interlocking
Designed for Signal Maintenance and Testing Staff who require a general appreciation into Relay Interlockings and who have a basic understanding of railway signalling principles

Route Relay Interlocking
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Route Relay Interlockings

Solid State Interlocking Appreciation
Designed for Signal Maintenance and Testing Staff who require a general appreciation into SSI equipment and who have a basic understanding of railway signalling principles

Solid State Interlocking Faulting & Maintenance
Designed for Signal Maintenance and Testing Staff who are required to maintain and fault find on Solid State Interlockings