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| Before ASC (mph) | During ASC (mph) | Change (mph) | Change in percent | Conclusion |
| Symington (70 mph) | 63.9 | 59.6 | −4.3 | −6,7 | Statistically significant decrease |
| Girvan Mains (60 mph) | 51.7 | 49.4 | −2.3 | −4.5 | Statistically significant decrease |
| Balkenna (60 mph) | 53.3 | 50.0 | −3.4 | −6.3 | Statistically significant decrease |
| Minishant (60 mph) | 49.3 | 39.5 | −9.8 | −19.8 | Statistically significant decrease |
| Ardwell Bay (60 mph) | 52.9 | 49.0 | −3.9 | −7.3 | Statistically significant decrease |
| Between B7038 og B730 (60 mph) | 63.0 | 61.6 | −1.4 | −2.2 | Statistically significant decrease |
| Average | 55.7 | 51.5 | 4.2 | −7.5 |
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