Arrival Turning Flows
Average Daily Traffic
Bypass Exit Lanes nmx
This is included in the bypass geometry as Exclusive Right Turns and Yield Bypasses feed into the exit lanes and the number of exit lanes must not be less than the number of bypass lanes feeding them.
The number of Exit Merge Lanes nmx
Merge bypasses merge traffic with the traffic on the exit Road from the roundabout.
Capacity is larger with more lanes on the exit at the merge point. However, the exit flow volumes must be large significant capacity increase. See the capacity lines for opposing traffic on 1, 2, 3 and 4 lanes.
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