Note: text in square brackets is added for clarity and was not part of the location's name.
Opened on the Ardrossan and Johnstone Railway.This box controlled access to the Ardeer (Misk) Branch (Glasgow and South Western Railway) and Ardeer Foundry. The box was on the north side of the line immediately to the east of where it was crossed by the Lanarkshire and Ayrshire Railway.
In 1947 the box was replaced by Stevenston No 1 Signal Box [2nd] when a new spur from Stevenston Moorpark on the Lanarkshire and Ayrshire Railway opened.