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Article #8412Re: New High-Tech Traffic Lights
From: Shiva Nataraja
Date: Tue, 05 Oct 1999 00:00
Date: Tue, 05 Oct 1999 00:00
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1917 bytes
On Mon, 04 Oct 1999 19:33:23 GMT, Jim Davidson <jdavidso@nospam.com> wrote: >bell88@hotbot.com (Shiva Nataraja) writes: > >> Around here almost every major intersection has dedicated left turn >> lanes controlled by left turn only arrows > >Same in the Bay Area. > >> Unfortunately, the current decision algorithm has a "window of opportunity" >> that ENDS 15-20 seconds before the light changes. > >This sounds wrong. 15-20 seconds is the typical duration of an entire phase. It *is* wrong - it's extremely unfair to the poor driver who happens to come "late" to the light. In fact, if I come upon a "stale" red light and there are no cars already sitting in the left turn lane, I've found it's faster to just go straight and make a left somewhere else than to sit through an entire cycle. >Around here, the window of opportunity ends about one second before the light >changes, which is about what you'd expect. Almost makes me want top move to the Bay Area. ;-)
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10001a,a40312b6223a4ae4 X-Google-Attributes: gid10001a,public X-Google-Thread: 10e16d,a40312b6223a4ae4 X-Google-Attributes: gid10e16d,public X-Google-Thread: 107518,a40312b6223a4ae4 X-Google-Attributes: gid107518,public From: del@awwww.com (Shiva Nataraja) Subject: Re: New High-Tech Traffic Lights Date: 1999/10/05 Message-ID: <37f9853e.4431942@news.orng1.occa.home.com> X-Deja-AN: 533102173 References: <7sp72a$jgs$1@bgtnsc01.worldnet.att.net> <MPG.1259f3f892acf3f8989c1f@news.usit.net> <7sqv3k$gtr$1@nnrp1.deja.com> <37f63346.5003572@news.orng1.occa.home.com> <upuyu5398.fsf@liberate.com> X-Complaints-To: abuse@home.net X-Trace: news.rdc2.occa.home.com 939136205 24.1.179.232 (Tue, 05 Oct 1999 08:10:05 PDT) Organization: @Home Network NNTP-Posting-Date: Tue, 05 Oct 1999 08:10:05 PDT Newsgroups: misc.consumers,rec.autos.driving,ca.driving