The Static Traffic Assignment (STA) model is the most commonly used method for projecting future traffic. Its basic structure treats each road segment as an isolated unit, applies a volume-to-capacity ...

A new examination of the assumptions underlying the proposed Interstate Bridge between Portland and Vancouver says the project relies on bogus numbers. The new study was commissioned by the Just ...

Traffic modeling has been of interest to mathematicians since the 1950s. Research in the area has only grown as road traffic control presents an ever-increasing problem. In a new paper, authors ...

Most traffic jams are unnecessary, and this deeply irks mathematicians who specialize in traffic flow. They reserve particular vitriol for local transport engineers. “They do not have competencies in ...

Roadway safety continues to be a major public health concern. Recent statistics show that more than 30,000 fatalities occur due to motor vehicle accidents, and in the year 2012, motor vehicle crashes ...

The Aug. 29 editorial “Relieve commuters’ misery” stated that experts at the U.S. Transportation Department found baseless the allegation that state officials used fraudulent traffic calculations to ...

The Federal Aviation Administration (FAA) is responsible for designing and operating the national airspace system (NAS). The NAS consists of terminal and en route airspace and a complex network of ...