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From: nels@astrovax.UUCP (Nels Anderson)
Newsgroups: net.railroad
Subject: Signaling on the NYC Subway
Message-ID: <699@astrovax.UUCP>
Date: Sat, 21-Dec-85 11:02:13 EST
Article-I.D.: astrovax.699
Posted: Sat Dec 21 11:02:13 1985
Date-Received: Fri, 17-Jan-86 04:51:51 EST
Distribution: net
Organization: Princeton Univ. Astrophysics
Lines: 8

Could someone explain the signals used on New York's subway system?  There is
quite a variety of them, with different numbers of red, yellow and green lamps
in various arrangements.

-- Nels Anderson
-- 
Nels Anderson 			Princeton University, Astrophysics
{allegra,akgua,burl,cbosgd,decvax,ihnp4,noao,princeton,vax135}!astrovax!nels