Time loss, TL cut across all route zones and trucks’ operation time. On the average TL was of the order of magnitude as in Table 2, which was TL (053) = TL (046) = TL (072) = 2.0 hr > TL (060) = 1.95 TL. Using TL (060) for example, Dl(extended lunch break for operator adjustment to fatigue was the highest time loss of 0.667 hrs. The order of component losses (w) were: Dl > Hu > Bt = De > Ud > Dt > Dq. This suggests more special package of incentive and counseling of the operator, who was the main causal agent for De time loss