This is an excellent Global Cycling Network (GCN) video investigating the flawed economics behind motornormativity and urban design. The basic argument is that traffic design is usually optimised for reducing the time taken by drivers and only considering drivers as the main source of economic growth. However, because of human behaviour, the average commuting time hasn't reduced, but instead the distances have increased, which can be considered a benefit in allowing city sprawl. Also induced demand was ignored by older traffic modelling, so the "just another lane" philosophy ends up increasing congestion.

Some interesting examples shown of how prioritising other transport modes can drastically change the city environment for the better without seeming to impact economic growth.