4 votes The reason our streets switched to cul-de-sacs Posted September 6, 2019 by unknown user Tags: urban planning, cul de sac, manhattan grid, roads, infrastructure, author.dave amos, videos, city beautiful https://www.youtube.com/watch?v=d9vDcfH03gs Link information This data is scraped automatically and may be incorrect. Authors City Beautiful Duration 7:45 Published Aug 8 2019