tysonita's blog
NJ International Block Signals
Hi,
Could anyone assist me with some informtion on block signals. I have two NJ International Bi-directional D Type block signals, one being 28 ' high and the other 15' high.
I'm trying to find out under what circumstances they would have been used in relation to their height. 28' seems quite high, not quite signal bridge height but higher than a dual head interlocking signal.
Any assistance appreciated. Thank you.
Regards
Scott
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