Which 3D model site is the biggest? We used a different method to measure them. When one asks, “which is the biggest”, it depends on your measurement. Sometimes the biggest sites are measured by the ...

Urban congestion is a big problem in our cities. It leads to commuter delays and economic inefficiency. More tragically, though, it leads to a million deaths annually worldwide. Research appearing in ...

A transportation planner in Portland says traffic safety improvements are within reach — but it’s a matter of funds and political will. Portland leaders have been working for years to eliminate ...

New York City is a city of walkers. More trips are made on foot than by car (41% versus 28%) and the city’s “80X50” climate action plan envisions that 80% of all trips by 2050 will be made either on ...

SpaceX, the company that makes reuseable rockets, which is also the company that makes the Starlink constellation of satellites, which is also the company that provides internet service from said ...

Deputy Tim Jordan was struck and killed by a train while working a traffic assignment in Bossier Parish. The incident occurred around 8 a.m., with preliminary reports suggesting a possible misjudgment ...

The MARL-OD-DA framework redesigns multi-agent reinforcement learning by using OD-pair–level agents and Dirichlet-based continuous routing actions, enabling scalable and stable traffic assignment in ...

Andrew Langer counsels that we should fund air-traffic control during a shutdown, not privatize it (Letters, Nov. 12). Fair enough, but there’s another sensible option. Keeping ATC in the federal ...

The flight reductions imposed during the government shutdown are now over; the Federal Aviation Administration lifted them early Monday morning. Forty major U.S. airports and more than 5 million ...