# Research Scholar Shlomo Angel's research on urban expansion in African and Chinese cities is cited

1 Faculty News June 29, 2016 ![The Economist logo](/sites/default/files/styles/246w/public/assets/images/uat_025662.jpg?itok=1_MW1PTy)>

Excerpt from [The Economist](http://www.economist.com/news/international/21701454-rural-areas-are-turning-urban-far-faster-planners-expected-great-cities-africa) -- "Shlomo Angel of New York University has studied seven African cities in detail: Accra, Addis Ababa, Arusha, Ibadan, Johannesburg, Lagos and Luanda. He calculates that only 16% of the land in new residential areas developed since 1990 has been set aside for roads—about half as much as planners think necessary. And 44% of those roads are less than four metres wide."

[Read more](http://www.economist.com/news/international/21701454-rural-areas-are-turning-urban-far-faster-planners-expected-great-cities-africa)