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One of the stages for use of welded rail involved welding two 39s to make 78' rails for use in road crossings and on curves. I worked for a railroad that had a lot of 78s and after being accustomed to the sound of 39' "sticks" (that bit o' slang never made it to my inexperienced ears) the 78' areas sounded strange, indeed. The next step for this particular railroad was CWR in curve territory. Aren't they now making insulated joints using short lengths of rail joined by, among other things, epoxy, that themselves can be welded into a CWR string at appropriate locations? And I think they're not even using joints at the butt ends of switch points nowadays. When the points move, the rail just flexes to suit. Old Timer
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