The transportation and assignment models are described in rectangular data sets. Suppose that instead of sending chocolate from factories to warehouses and then to the customers, chocolate is sent ...

The current highway authorization bill is set to expire on October 1, 2014. As Congress considers its reauthorization, including changes in the federal highway program, the question that should be at ...

Massachusetts faces a litany of financial questions related to funding critical infrastructure like roads, bridges and public transit. The MBTA is hurtling toward a fiscal cliff. Meanwhile, gas tax ...

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 ...