UP testing OWLS xing: use of flange bearing in low-speed direction on crossing diamond permits higher speed in other direction.

From: Railway Track and Structures | Date: January 1, 2004| Author: Cerny, Louis T. | Copyright information

An OWLS (One Way Low Speed) crossing diamond has been installed at the crossing of the Union Pacific Chicago-St. Louis line and the Toledo, Peoria and Western at Chenoa, Ill. This UP line also carries six Amtrak trains a day and is the corridor for the Positive Train Control pilot project. This line is being upgraded for 110-mph passenger trains in some areas, and UP was asked to develop a crossing frog that would allow passenger train speeds of up to 90 mph.

Ed Kohake, ...

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