Clear · Rule 405

Indication: Proceed.

1. A high mast, single aspect signal displaying green.
2. A high mast, staggered, double aspect signal displaying green on the top, red on the bottom.
3. A high mast, inline , double aspect signal, displaying green on the top, red on the bottom.
4. A high mast, inline, triple aspect signal, displaying green on the top, red in the middle, red on the bottom.
5. A double aspect, dwarf signal, displaying green on the top, green on the bottom.