nomenclature question

[NW Mailing List]

Bob Cohen wrote:
> In the recent re-engineering of the Riverton Junction diamond of the
> Manassas to Strasburg line crossing, a fairly new concept was put into
> place for the crossing. Does this have a specific name perhaps? I have had
> it described to me and I understand it (it is between a heavily traveled
> crossing and lightly used one). The lightly used one is of slow speed, max
> 10 mph as the wheels kind of hop over the/through, the crossing.
> 
> This is not for the curved wye sections for the Manassas-Hagerstown
> connection or the Manassas-Shenandoah connecting track, but the diamond
> crossing.

I think the term you are looking for is "Flange Bearing" frogs and diamond
crossings. 

https://www.voestalpine.com/nortrak/en/products/Special-Trackwork/Diamond-Crossings/OWLS_Diamond_Crossing_Design/
https://en.wikipedia.org/wiki/Flange-bearing_frog



Joe Shaw
Christiansburg, VA