Heron Cross, Great Britain - Interchange
Total crashes (for both roundabouts) are 2.8 slight injuries/year.
Design speed is 30 mph.

Longton Dumbell, Great Britain - Interchange
Averages 1.9 slight injury crashes/year. High volumes as it connects to large housing area to a sub-regional center. Significant pedestrian volumes and staggered signalized pedestrian crossings.
Circulating speeds: 20-25 mph

Great Britain Interchange
72,000 VPD - Average 6 slight injury acc/yr - Crash rate is 0.25 slight injury per million vehicles.
Circulating speeds of about 30-35 mph.

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