This is known as the boundary effect of the modifiable temporal unit problem #MTUP. It's a statistical bias related to the arbitrary selection of a phenomenon's duration (max trip duration in this case), and it's documented in the transport literature here
RT @UrbanDemog: The paper that received the award last year https://t.co/Ox91B9NV8d shows 1) how one can antecipate the future accessibilit…
The paper that received the award last year https://t.co/Ox91B9NV8d shows 1) how one can antecipate the future accessibility impacts of transportation projects & 2) that the equity assessments of projects depend on the cutoff time used in accessibility
Well done Rafa @UrbanDemog