Follow the authors on Twitter: @chyiyunhuang and @shomik_raj   A recent trip to Addis Ababa really brought the imperatives of transit-oriented development as a complement to mass transit…

Chyi-Yun Huang, Shomik Mehndiratta |

When a disaster strikes, such as a hurricane or a major earthquake, relief efforts are often hampered by destroyed or damaged ground infrastructure, mostly roads, bridges, and railway networks. In…

Charles E. Schlumberger |