Policy contribution
Contribution to objectives
The following policy contributions from PGI systems were achieved in the case studies.
Objective |
Southampton |
Japan |
Comment |
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Increases availability of (turnover of) off-street parking and reduces search traffic. |
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Improves the quality of street by reducing illegal parking and search traffic. |
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The reduction in search traffic in also reduces air and noise pollution. |
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There are no reported impacts on equity and social inclusion. |
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The reduction in search traffic reduces the risk of accidents. |
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Reduce car traffic and improves the environment, making it more attractive to shoppers and visitors. |
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Increase the off-street parking efficiency. When used for Park & Ride, it helps to utilize these sites and increase use of public transport. |
Adverse side-effects
As in other cases there is the possibility that improving access to parking may increase the number car trips into city centres unless there are other restraints operating. One possibility is an increase in parking charges since such charges impact on drivers without increasing congestion. There is also a potential danger that by helping the motorist, PGI systems can reduce the probability of drivers using an alternative mode (DfT, 2003).
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