The University of Arizona has chosen Craig T. Nelson, an Emmy-Award-winning actor, writer, director and producer, to deliver the university’s commencement address on May 10.
For some motorists, a roundabout can be confusing, frightening, even downright maddening as they navigate their way counter-clockwise around an intersection. But for others, the traffic circles are a blessing. They slow vehicles. They make intersections safer. Some say the structures can beautify an interchange. Long unfamiliar to many American drivers, roundabouts have grown in popularity in .