Turning left on red onto a two-way street remains illegal in Idaho and most states. A red arrow means you need a green light to advance, regardless of whether you’re turning left or right.

Mexican-national Ximena Arias-Cristobal, 19, was pulled over by police in Dalton, Ga. on May 5 when she failed to adhere to a “no turn on red” sign.

To clamp down on speeding drivers and red-light runners, Phoenix plans to bring traffic cameras back to the city after six years.

Those numbers are more than 10 times higher than red light runners. Cameras caught nearly 36,000 speeders over a month and a half this spring, which added up to almost 800 violations a day.

Dear Mahatma: Is the right turn on red obligatory or optional? I have been stuck behind drivers a few times lately who chose to wait. I need to know if a horn tap is appropriate or if I should ...