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ANNEX D
Transport Assessment
D1. Transport Assessment concerns person trips, not car
trips. It is a comprehensive assessment that should enable
all the potential transport impacts of a proposed
development or redevelopment to be fully understood. The
objective should be to encourage sustainable travel in
relation to the transport mode hierarchy. The assessment
should be presented in clear language so that lay people
can understand the implications.
D2. The assessment should present all the transport
implications of the proposal but also aim to balance
detailed analysis with simplicity. A comprehensive approach
will provide more useful information for decision-makers
but may well be an excessive burden on developers. A simple
approach may be easier for developers, but not provide
sufficient information for effective decisions to be
taken.
D3. The development thresholds requiring a detailed
Transport Assessment are set out in Transport Assessment
and Implementation: A Guide but each application is
considered on its own merits. Local authorities may lower
the thresholds where appropriate, i.e. areas particularly
sensitive to impact of additional traffic.
D4. These standards should form the basis of discussion
and negotiation with a developer. Discussion between a
developer and a local authority at an early stage should
highlight any additional requirements or changes that may
be needed to the layout and design of the proposal.
On-going liaison will assist in reaching agreement so that
later, and generally more expensive, changes will not be
needed.
D5. Transport assessment should aim to provide
supporting evidence to accompany the planning application
to demonstrate that the development is sited in a location
where current and likely future travel behaviour will
produce a desired and predicted transport output.
D6. Transport Assessment should initially provide
information on the proposal's compliance with key site
policy. It should set out proposed methods of mitigation
designed to reduce adverse transport impacts. Assessments
should therefore include the following three main
elements:
- An assessment of travel characteristics;
- A description of the measures which are being
adopted to influence travel impacts of the
proposal;
- A description of the transport impacts of the
development in a broader context and how these will be
addressed.
The transport assessment process also incorporates
scoping, travel planning and monitoring.
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