Main line FBF update: CSXT has had excellent results since installing a main line flange-bearing frog. From: Railway Track and Structures | Date: October 1, 2006| Author: Cerny, Lou | COPYRIGHT 2006 Simmons-Boardman Publishing Corporation. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

On July 31, CSX Transportation installed the first main line flange-bearing frog diamond. This crossing diamond, which allows regular speeds on both tracks, was installed at the CSXT crossing with the Ashland Railway at Shelby, Ohio, on CSXT between Cleveland and Columbus. CSXT speeds at this point on the line are 40 mph. Service experience has been excellent since the installation.

The FBF diamond has no flangeway gap for either direction, and requires an FRA waiver fro...