Rule 438

Indications will be specified in special instructions for each specific application of this signal.

Take or Leave Siding or Other Track. 1. A single aspect dwarf signal displaying flashing red. 2. A double aspect dwarf signal displaying red on the top, flashing red on the bottom. 3. A high mast, inline, double aspect signal displaying red on the top, flashing red on the bottom. 4. A high mask, inline, triple aspect signal displaying red on the top, red in the middle, flashing red on the bottom.