This article presents a toolbox to compute and map person-based accessibility indicators, based on classical time geography concepts. The intent is to provide GIS and urban planning practitioners with a userfriendly and easily customizable tool. While it relies on well-known concepts, the toolbox implements a major innovation in person-based accessibility assessment by taking into account opening hours when measuring the accessibility of urban facilities. The toolbox can be downloaded from http://bit.ly/ 1h6yg5Z.
The time-geographic distinction between fixed and flexible activities is widely acknowledged to be a somewhat arbitrary dichotomy but is still the current modus operandi for time-geographic calculations. This paper proposes a modification of the classic time-geographic framework to support temporal flexibility in 'fixed' activities. This modification is crucial for time-geographic calculations on public transit networks with a low frequency of service, which would otherwise return unstable results.
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