Feds: Truck driver likely caused self-driving shuttle crash

A collision between an experimental self-driving shuttle and a semi in downtown Las Vegas was probably the truck driver's fault, but the shuttle operator didn't have quick access to a controller that could have honked the ...

Traffic congestion reconsidered

Despite efforts to encourage a shift to sustainable transportation, traffic congestion is often the focus of debates over mobility. Global demand for automobiles rose significantly in the 1990s, with annual sales stabilizing ...

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