My understanding is that yes, in some circumstances this can help inhibit crack formation. The place where it won't has to do with settlement, where the soil b

My understanding is that yes, in some circumstances this can help inhibit crack formation. The place where it won't has to do with settlement, where the soil beneath the rose sinks unevenly. This is a major initiator of pothole formation. Road construction is tightly cost constrained, so this will come down to exact price.