[TCUG] Puffin - near-side indicators
- From: Howard Saffer <Howard.Saffer@xxxxxxxxxxxxxxxx>
- To: "'tcug@xxxxxxxxxxxxx'" <tcug@xxxxxxxxxxxxx>
- Date: Mon, 23 Sep 2002 10:13:31 +0100
A point of information - in relation to far-side signals on Puffins and
black-out periods (without commenting on the desirability of either).
I understand that there is no technical problem with the use of black-outs
on Puffins. TAL 1/02 allows/recommends their use on near-side indicators on
refuge islands within Puffin crossings over wide carriageways (although
admittedly few authorities want to design signalled crossings with refuges
these days).
We enquired a little while ago about this type of arrangement for a scheme
that may have required this facility. It appears that several authorities
have installed this type of arrangement (with a black-out only on indicators
in the central refuge) - and at least some manufacturers have advised me how
they have implemented this in practice on their signal controllers.
So we really get back to if we (and DfT/HA) want to use black-out periods
and far-side signals on Puffins. Implementation is not a major issue.
For those interested in the implementation policies for pedestrian crossing
timings (including red-man and black-out periods) in various cities around
the UK (on standard ped. signals), Leeds City Council (MH) produced a report
on this (for the Core Cities group?) in December 1999 which some may find
interesting.
Regards
Howard Saffer
Sheffield City Council
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