Murrysville officials have had problems in recent years with crashes on Route 22 causing damage to the electrical boxes that control several traffic lights along the highway. The municipality plans to ...

As the investigation into what went wrong to cause the Washington, D.C., collision unfolds, we are learning more about the nationwide air traffic controller shortage and how it may have impacted the ...

Traffic lights have been with us since 1868, when the first gas-powered set was switched on in London. These lights used a semaphore system similar to those used by the railways of the day and ...