What's the plural form of signalization? Here's the word you're looking for.
Answer
The noun signalization can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be signalization.
However, in more specific contexts, the plural form can also be signalizations e.g. in reference to various types of signalizations
or a collection of signalizations.
Examples
The site, at the corner of a busy portal intersection, presented issues given the close proximity to the WalMart General Offices requiring special traffic signalization.