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Factsheet: Sustainable Urban Transport: Avoid-Shift-Improve (A-S-I)

By Raf Canters / Updated: 01 Aug 2014
The traditional approach applied to deal with increased transport demand has been the provision of additional road space by means of new and expansive road infrastructure. This supply-side oriented approach has, however, not delivered the expected benefits.
Increased traffic volume continues to produce excessive levels of congestion, GHG emissions and other externalities. For this reason, the traditional approach adopted in recent years to provide additional infrastructure is considered ineffective and old school. Therefore, a new approach to tackling current transport problems is required.

Inspired by the principles of sustainability, this alternative approach focuses on the demand side, as opposed to the conventional approach. The new approach, known as A-S-I (from Avoid/Reduce, Shift/ Maintain, Improve), seeks to achieve significant GHG emission reductions, reduced energy consumption, less congestion, with the final objective to create more liveable cities. The objective of the A-S-I approach is to promote alternative mobility solutions and to develop sustainable transport systems. The current factsheet emphasises the GIZ's model of Avoid-Shift-Improve (ASI).

SUTP visitors can download the factsheet from here.

Source: http://www.sutp.org/index.php?option=com_content&task=view&id=2660
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