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10 It was necessary to make a projection of fare levels in order to forecast patronage foreach public transport operator. The initial assumption as to fare levels for eachoperator is shown in Table 4.11 as an index on 1986 fares. The construction of theindex reflected expected changes in operating costs and patronage, and tookaccount of the recent fare trends. One index was used for franchised buses, coveringall CMB and KMB services. Taxi fares were also projected to rise in proportion to thereal increase in taxi operating costs. Because of the high proportion of labour costs(about two-thirds of all taxi operating costs), taxi fares were projected to increasefaster in real terms than those of other public transport.4.11Mode1986Year1991 1996 2001Franchised BusPublic Light BusTaxiHK TramwaysStar FerryHYFRail (MTR, KCR, LRT)1.01.01.01.01.01.01.01.171.201.221.051.051.051.051.331.371.421.051.051.101.101.521.571.661.051.051.151.15To/I Charges11 Tolls for the road tunnels included in the CTS-2 transport network are shown inTable 4.12. These charges are expressed in 1986 prices. Facilities serving asalternative routes for the same trip were generally assumed to charge the same tolls,apart for the cross harbour movement where the Eastern Harbour Crossing wasassumed to have a lower charge in order to generate a better balance of trafficbetween the cross harbour facilities. The tolls at the Route 5 and Junk Bay tunnelswere assumed to be the same as for the Lion Rock and Aberdeen tunnels, as thetunnels are of similar length, while the Route 3 tunnel toll is greater due to its greaterlength.Table 4.12TUNNEL TOLLS BY FACILITY(1986 dollars)TunnelCross HarbourLion RockAberdeenEastern HarbourRoute 5Junk BayTate's CairnRoute 3Route 3 (Western Harbour)Length (km)2.02.02.04.02.02.03.04.03.0Private Car Toll10.03.03.06.03.03.03.06.010.0Note: The tolls are those assumed in CTS-2 for testing purposes and do notnecessarily reflect tolls likely to be charged for the new facilities; tolls forgoods vehicles are assumed to remain at the same ratio to those of private carsas at present for similar facilities.65