The Dutch do road design/purpose very well, and they didn't start with a new development. https://bicycledutch.wordpress.com/2012/01/02/sustainable-safety/ htt

The Dutch do road design/purpose very well, and they didn't start with a new development. https://bicycledutch.wordpress.com/2012/01/02/sustainable-safety/ https://bicycledutch.wordpress.com/2012/01/02/sustainable-sa... https://swov.nl/system/files/publication-downloads/dv3_en_kort_rapport.pdf https://swov.nl/system/files/publication-downloads/dv3_en_ko... (pdf)