Train to Learn, Learn to Signal

NORAC Signals
Testing & Flashcards
always available.

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About R.D. Murray Signals App

As a Conductor, Locomotive Engineer, Signal Person or other signal related professional in the railroad industry it's important to always be able to recognize the many railroad signals and signs. This app will help you do just that. It contains the standard NORAC signals and signs as digital flashcards and a testing system which allows you to study from anywhere at your own pace. .


3-Level Testing

Testing is available on the 3 level. Beginner, Advance, Final Exam. Each offers a different level of challenge including a timed test.

Horn Signal test

Horn signals are an important part of railway signaling. The Horn Signal test plays a horn pattern which the user must identify to gain points


Use the Signal Progression test to improve your skill in assessing upcoming signals based on current signal

Form D

A dispatcher will issue a Form D when required. This section of the app will help you become familiar with the basic process.


In the flashcards most of the NORAC signs and signals are included. Each card has voice annunciations, name and description.


Reminds users to brush up on their signaling skills by taking a test with the app.


The rules section contain important NORAC operating rules. Additional rules are being added continuously


Challenge your co-workers and friends on signals and post your results on the leaderboard to see who’s best at identifying the most signals.

App Screenshots

Download Our App Today!

Learn and test your yourself on NORAC signals and rules.
Download the R.D. Murray Signals App for Android or iPhone.
iPhone version coming to the App Store soon.