Metoder för skattning av gång- och cykeltrafik: kartläggning och kvalitetsbedömning

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Annika Nilsson
Mats Wiklund
Petra Ahlström
Urban Björketun
Liselott Söderström
Kerstin Robertson

This report summarises the needs for, and the procedures applied in, estimating the share of total travel represented by pedestrian and cycle traffic, and comprises an analysis of existing data in the form of travel surveys and flow measurements. Different methods are compared, and the significance of the differences between the methods for monitoring pedestrian and cycle travel is discussed. Both the method as such with its definitions and limitations, and the quality of the various phases in its implementation, play a part. This has consequences in comparisons between different places and also for monitoring over time. Most local authorities have some type of target with regard to cycle traffic, while target formulations for pedestrian traffic are less frequent. To increase the cycling share of total travel is the most common target, however, seldom followed up, and the numbers of cyclists at certain points are measured instead. Travel surveys and traffic flow measurements measure different things, and may draw different conclusions. The measurements may show that people cycle more than ever before, while travel surveys show that the cycling share is decreasing. Both conclusions may be right, and they reflect the importance of the methods employed, and also of the units. The unit "share" is made up of more components than pedestrian and cycle traffic as such, and depends above all on the total travel. It is therefore not only the proportions that are of interest but, for example, also the number of journeys per person.

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