Planning Portal

Transport Assessment
Stage 3: Appraising and Mitigating Impacts: Parking impacts

On-site parking provision should conform with policies set out in PPS 13: Transportation and Land Use, PPS 3: Access, Movement and Parking and in the relevant Development Plan.
In addition to current parking policy, consideration must be given to the parking strategy, where one exists, for the city or town. A parking strategy will include estimated levels of future parking provision and demand as well as proposed locations for future provision. It is important therefore that any proposed development is assessed against these levels and locations. The general procedure by which proposed schemes are assessed against parking strategies is shown in the flow diagram in Appendix C.
The analysis of parking should focus on the requirement for parking, as an output of the design of the development, once other measures have been fully taken into account. It should highlight whether there is potential to level the peaks of parking demand, for instance through shared use of spaces between parts which have different peaks of demand. On-site parking controls and charges may also need to be introduced by the developer and/or occupier to encourage turnover of parking space.
Restrictions on on-site parking may lead to overflow parking in the surrounding area. Off-site parking provision and controls may need to be included in the Transport Assessment.
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