Traffic congestion is the top problem facing the city's transportation infrastructure, a recent survey of 1,700 residents found. But it's a problem that cannot be solved by simply building wider roads ...

As we approach the heart of summer, families around the country are planning travel vacations. With gas prices approaching $5 per gallon in some places, Americans are looking for anything to decrease ...

Forbes contributors publish independent expert analyses and insights. Reporting from Europe, Jeff McMahon covers the environment. There are four main problems in urban transportation that require four ...

A certain analogy that exists between the mathematical formulation of the standard (two dimensional) quadratic cost transportation problem as a minimum value problem and the mathematical formulation ...