Thread by @fietsprofessor

1/ Induced traffic (adding road capacity leads to more car traffic) also works the other way around. Paris data (left) shows that selectively closing roads doesn't cause congestion, but leads to LESS car traffic.
Source: leparisien.fr/info-paris-ile…

2/ This new data confirms a longstanding discussion of similar empirical results that goes under the header 'Traffic Evaporation' or 'Disappearing Traffic'
Source: onestreet.org/images/stories…

3/ The theory that underpins this is the so-called Transport Land Use Feedback Cycle: traffic is not a vacuum but both a CAUSE and EFFECT of land use changes and personal life choices.

4/ In that light, we can say that HENRY FORD was the most influential land use planner of the last century while LE CORBUSIER might have been the most influential transport planner...