“Modern roundabouts are designed to move traffic more efficiently without the use of traffic lights,” said Paul Patane, ADOT's Southwest District engineer. … without the long delays that can come with traffic signals and stop signs.”.
“Modern roundabouts are designed to move traffic more efficiently without the use of traffic lights,” said Paul Patane, ADOT's Southwest District engineer. … without the long delays that can come with traffic signals and stop signs.”.