I think he means when they turn their wheels while stationary or slow moving as they would churn more of the road surface than when moving faster. Although, that is probably bollocks and has nothing to do with increasing the speed limits.
Point being is that the report is simplifying the issues a little.
@edscoble started
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I think he means when they turn their wheels while stationary or slow moving as they would churn more of the road surface than when moving faster. Although, that is probably bollocks and has nothing to do with increasing the speed limits.