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From: Burton.osbunorth@Xerox.ARPA
Newsgroups: net.railroad
Subject: Re: Signaling on the NYC Subway
Message-ID: <1002@brl-tgr.ARPA>
Date: Mon, 23-Dec-85 15:42:40 EST
Article-I.D.: brl-tgr.1002
Posted: Mon Dec 23 15:42:40 1985
Date-Received: Sat, 28-Dec-85 11:24:14 EST
Sender: news@brl-tgr.ARPA
Lines: 11

I agree that signalling on the NYC subway system is a fascinating topic.
About 12 years ago, for a master's thesis at the then Brooklyn
Polytechnic Institute, I designed a computer simulation of the subways.
I got deep into the dynamics of the signalling, and also collected old
drawings, etc.  

On a related topic.  I have a 1944 Book of Rules.  Is there a more
recent edition?  Anyone want to trade copies?

Phil Burton
Xerox Corporation