Business

Virus impact puts thousands of jobs risk at Rolls-Royce

Thousands of jobs could be at risk at British aircraft engine manufacturer Rolls-Royce, which on Sunday said it was in talks with unions about the impact of the coronavirus outbreak on operations.

Automotive

Can interactive technology ease urban traffic jams?

Traffic congestion is a serious problem in the United States, but a new analysis shows that interactive technology—ranging from 511 traffic information systems and roadside cameras to traffic apps like Waze and Google Maps—is ...

Business

Airlines given $123 bn in state aid: industry

Governments have provided airlines $123 billion to help weather the coronavirus storm, the global aviation industry said Tuesday, warning though that the assistance was adding to surging debt in the industry.

Traffic

Traffic on roads may consist of pedestrians, ridden or herded animals, vehicles, streetcars and other conveyances, either singly or together, while using the public way for purposes of travel. Traffic laws are the laws which govern traffic and regulate vehicles, while rules of the road are both the laws and the informal rules that may have developed over time to facilitate the orderly and timely flow of traffic.

Organized traffic generally has well-established priorities, lanes, right-of-way, and traffic control at intersections.

Traffic is formally organized in many jurisdictions, with marked lanes, junctions, intersections, interchanges, traffic signals, or signs. Traffic is often classified by type: heavy motor vehicle (e.g., car, truck); other vehicle (e.g., moped, bicycle); and pedestrian. Different classes may share speed limits and easement, or may be segregated. Some jurisdictions may have very detailed and complex rules of the road while others rely more on drivers' common sense and willingness to cooperate.

Organization typically produces a better combination of travel safety and efficiency. Events which disrupt the flow and may cause traffic to degenerate into a disorganized mess include: road construction, collisions and debris in the roadway. On particularly busy freeways, a minor disruption may persist in a phenomenon known as traffic waves. A complete breakdown of organization may result in traffic jams and gridlock. Simulations of organized traffic frequently involve queuing theory, stochastic processes and equations of mathematical physics applied to traffic flow.

This text uses material from Wikipedia, licensed under CC BY-SA