Quote:
Originally Posted by Dr Winston O Boogie jr
I think that problems occur when cars enter the round-a-bout at 6:00 go into the left lane, and intend to go straight through and exit at 12:00. A car enters the round-a-bot at 3:00 at approximately the same time stays in the right lane and intends to go straight through and exit at 9:00. The car in the right hand lane will be cutting across the bow of the car in the left hand lane. You have to watch out for this. Both drivers are following the rules, but there could be an issue if the car in the left hand lane isn't paying attention.
This little diagram is nice, but it doesn't address cars entering at close to the same time from different points. It only shows two cars entering from 6:00.
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The problem is, the car already in the roundabout has the right of way. The car entering the roundabout from 3:00 technically is supposed to wait until the cars already in the roundabout have gone by. If they followed this rule, then they would be able to go straight as you describe, with no conflict. If they actually did enter at exactly the same time, the car at 3:00 would be ahead of the car entering at 6:00 and there would be no problem.
Indymaker, that was a great diagram by the way.