Dear Brighton and Hove City Council,
The Strategic Transport Assessment (STA) for the May 2013 City Plan said Woodingdean & Rottingdean were expected to be overloaded on the planning horizon.
It did not set out how soon this was expected or what their existing load status is.
It also noted concerns about the unassessed impacts of some major upcoming council initiatives.
For example the Lewes Road Improvements were predicted to displace 50% of its traffic, the lion's share going to Falmer Road (Woodingdean & Rottingdean).
The STA for the June 2014 revised City Plan, no longer expressed these concerns.
The aim of this information request is to examine the information that was used to remove these concerns and to examine the underlying assumptions about existing congestion levels and impacts of extra loads.
--- Request for Information
 What information was used by B&HCC or by your consultants, to decide the earlier concern about the Lewes Road Improvements, ought to be dropped from the revised June 2014 STA? e.g.
Revised Traffic estimates?
Actual Traffic measurements?
Wider area Modelling? (e.g. SATURN).
Please list the information used, including if Modelling was involved, the baseline assumptions and the latest measurement values, .
 The concerns about 20 mph zones were also dropped from the 2014 STA.
As per  above, on what information was that based?
 The City Plan STAs also predicted substantial extra peak time Traffic will flow into Falmer Road due to the A27 Falmer Road Interchange improvements.
This appears to be excluded from the Traffic growth for Woodingdean and Rottingdean.
Is that correct?
What assumptions were made about that extra Traffic?
 The City Plan STAs did not identify any exceptional growth in Traffic from ESCC (which seems remarkable given the developments in their pipeline and their new housing targets set by central government).
What information was obtained from ESCC to support this assumption?
 The City Plan will in due course be supported by detailed modelling of the Falmer Road-B2123 and A27 corridors East of Brighton.
Recently two sets of independent contractors (working for Lightwood and Linden) failed to measure existing local queues (as their surveyors were unable to see the queues). Please confirm this information is known to you and will be or has been advised to your consultants, to ensure they take proper measurements.
If you have information contradicting this ... what is it, what is its source and when did you receive it?
Thank you for submitting your Freedom of Information (FOI) request to
Brighton & Hove City Council.
We will respond to your request within 20 working days as stipulated under
the Freedom of Information Act (2000).
Information Governance Team
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