Monday, 5 March 2012

20mph sign duplication

Queen's Crescent
Concerns have been expressed about a duplication of signs in parts of the Newington area.  Later this month a large swathe of southern Edinburgh comes under a trial 20mph speed limit.  See here for more details.

Some points for clarification:
  • The contractors have been instructed to avoid duplication of signs
  • As the signing work is progressing a number of new poles have been erected but the furniture they are replacing has still to be taken down.  For example, pictured right are the old and new poles in Queen's Crescent near Dalkeith Road.  The old one (currently with the bus lane sign on it) is to be removed.
  • Lighting columns are not considered suitable for the larger signs as they are designed is to fall if struck by a vehicle (reduced chance of injury)
Hat tip: Cllr Gordon Mackenzie for some of the above

2 comments:

Anonymous said...

"Lighting columns are not considered suitable for the larger signs as they are designed is to fall if struck by a vehicle (reduced chance of injury)"

In other words, the Council is erecting more obstacles that present an increase risk of injury if struck by a vehicle?

Cameron Rose said...

Duplication of poles needs to be rigorously limited. But also it has to be kept in mind that there are many (often competing) factors to be taken into account. For example, there are regulatory requirements about signs involving frequency and standardisation. One I didn't mention specifically is the load bearing capacity of lampposts. Signs above a certain area impact on design wind resistance strengths. All sorts of complexities - some of which could well do to be addressed at a legislative level!

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