Abstract
The concentrations of people and their activities (density) in space and in time are a natural consequence of human behavior in urban areas.
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Notes
- 1.
Travel time tax is term introduced by INRIX. It is meant to describe congestion as a surcharge on free-flow travel time. For example, a driver traveling at a rate of 1.20Â min/mi would experience a tax of 20Â % if the free-flow travel rate is 1.0Â min/mi.
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Falcocchio, J.C., Levinson, H.S. (2015). Concentration of Travel Demand in Space and Time. In: Road Traffic Congestion: A Concise Guide. Springer Tracts on Transportation and Traffic, vol 7. Springer, Cham. https://doi.org/10.1007/978-3-319-15165-6_5
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