CN Signals Flash Cards (CROR) app for iPhone and iPad

4.2 ( 5232 ratings )

Education
Developer: AllRail Inc.

Free

Current version: 1.1, last update: 8 years ago
First release : 02 Sep 2016
App size: 9.86 Mb

An educational application for CN employees to study CROR block and interlocking signals using flash cards. One side of a presented card is the signal image, the user may then “click” to flip the card over to reveal the signals name and indication.