CN Signals Flash Cards (CROR) Download from App Store
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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: 7 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.