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5.7.4 The changes in congestion in the road system are shown in Figure 5.11 (1986conditions) and 5.12 (2001 conditions).5.7.5 Figure 5.13 shows average road speeds by class of road for 1986 and 2001, andFigures 5.14 and 5.15 show peak speeds for local and trunk roads. Speeds declinedrastically from 1986 to 2001. On average, peak hour speeds drop by about one halfand off-peak speeds by one third. By 2001, 38% of roads in the peak hour and 29%of roads in the off-peak hour would have V/C ratios greater than 1.0, compared with1986 values of 10% and 7% respectively.5.7.6 Such severe increases in congestion would have serious consequences for theTerritory, with virtually ail goods movements and two thirds of public transportmovements dependent on road-based services. Transport projects and policies toavoid this situation are set out in the next chapters.89