Summary: This document provides the public with notice that on March 18, 2022, Florida East Coast Railway (FECR) submitted a document entitled, ``Combined FECR Test Request V 2.0,'' dated March 1, 2022, to FRA. FECR asks FRA to approve its request so that FECR may field test, on its Cocoa Subdivision, FECR's freight trains and Brightline's passenger trains that have been equipped with positive train control (PTC) technology.