Railway-highway crossing consists of specially designed and molded rubber slabs measuring 36 by 59 in., and about 3 in. thick including sheet of heavy gage steel sandwiched within each slab. (see also Ry Track and Structures v 51 n 1 Jan 1955 p 53)
Here's rubber highway crossing on Erie at Akron
Ry Age
Railway Age ; 137 , n 26
1954
2 pages
Aufsatz (Zeitschrift)
Englisch
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Here's rubber highway crossing on Erie at Akron
Engineering Index Backfile | 1955
SLUB | 2014
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Engineering Index Backfile | 1931