http://www.trainsarefun.com/sirt/sirt.htm SIR/SIRT info http://www.trainsarefun.com/rvrr/cranfordjunction/cranfordjunction.htm#RVRR-Aldene -SIRT-CNJ 0-8-0 311-Switching Cars on SIRT Tracks at SIRT-CNJ Interchange-Cranford Jct. - c. 1946
That's excellent, thanks. I had no idea the SIRT existed or how extensive it was, even though I grew up 40-50 miles to the north.