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Re: Safeworking Rules.

Subject: Re: Safeworking Rules.
From: billboltonREMOVE-TO-EMAIL@computer.org (Bill Bolton)
Date: Tue, 28 Dec 1999 08:35:31 +1100
Newsgroups: aus.rail
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
References: <mauried.385.385C936D@commslab.gov.au> <385C98CE.20A20B23@fastlink.com.au> <mauried.386.385CA8CE@commslab.gov.au> <83li8s$5m2$1@news1.mpx.com.au> <mauried.514.385EC934@commslab.gov.au> <385F1C9F.7C8C78D6@fastlink.com.au> <843red$29rg$1@otis.netspace.net.au> <3867d3a7@pink.one.net.au>
Reply-To: billboltonREMOVE-TO-EMAIL@computer.org (Bill Bolton)

"nobody" <dweebken@NOSPAM.yahoo.com> wrote:

> Rail signals detect trains by an electric circuit, while road detects cars
> by weight;

Traffic signals detect vehicles by using an induction loop system, and
have done so since the mid-1960s.

Cheers,

Bill

References:
- Safeworking Rules.
  - From: mauried@commslab.gov.au (Maurie Daly)
- Re: Safeworking Rules.
  - From: "The Railway Rasputin." <bob@fastlink.com.au>
- Re: Safeworking Rules.
  - From: mauried@commslab.gov.au (Maurie Daly)
- Re: Safeworking Rules.
  - From: "Rod" <comtrain@mpx.com.au>
- Re: Safeworking Rules.
  - From: mauried@commslab.gov.au (Maurie Daly)
- Re: Safeworking Rules.
  - From: "The Railway Rasputin." <bob@fastlink.com.au>
- Re: Safeworking Rules.
  - From: "Exnarc" <gwrly@netspace.net.au>
- Re: Safeworking Rules.
  - From: "nobody" <dweebken@NOSPAM.yahoo.com>

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