[TCUG] Re: Above ground stopline detectors
- From: "Pat Gregory" <patrick.gregory2@xxxxxxxxxxxxxx>
- To: <tcug@xxxxxxxxxxxxx>
- Date: Fri, 25 Apr 2008 09:42:04 +0100
Peter,
Without prejudice, the best fit and forget I've used is the AIMs unit. =
Once
installed correctly and fully tightened (including 2nd securing bolts) =
it
works very well. I believe that the video units that are available are a =
lot
more reliable now, but any unit that requires a laptop or palm to set =
up,
and requires resetting if knocked out of alignment, is a bit labour
intensive.
Regards
Pat Gregory
Director
Traffic and Transportation Services Ltd
74 Meadowside
Eltham
London
SE9 6BB
Tel/Fax: 0208 8505271
Mob: 07967 725039
-----Original Message-----
From: tcug-bounce@xxxxxxxxxxxxx [mailto:tcug-bounce@xxxxxxxxxxxxx] On =
Behalf
Of Bull Peter
Sent: 24 April 2008 15:32
To: tcug@xxxxxxxxxxxxx
Subject: [TCUG] Above ground stopline detectors
We, and possibly some of you who don't have road condition standards so =
bad
they warrant a =A3660m PFI scheme, have a number of sites where loop =
detection
is faulty and there is no point recutting until the road surface is =
brought
up to scratch. It may be several months, or a couple of years, before =
this
is done. In the meantime we would like to be able to install some above
ground detection, which doesn't have to be perfect to be a lot better =
than
no detection at all. We have often used a combination of microwaves for
approach detection with a stopline loop, so what we are looking for is a
reasonable above ground replacement for the stopline loop - preferably
something that can be easily and cheaply installed on a signal head. I =
think
we've tried most of what is available, but I would be grateful for any
suggestions and experiences.
=20
Peter Bull
--
Peter Bull
Traffic Information & Control Manager
Sheffield City Council, 2-10 Carbrook Hall Road, Sheffield S9 2DB
Tel: (0114) 273 6174 Fax: (0114) 273 6182
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