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22 TABLE 27 VEHICLE OPERATING EXPERIENCES REPORTED FOR 45-FT BUSES Operating Experience Compared with Standard 40-ft Bus Performance Measure Better Same Poorer Unknown Acceleration 6 (46%) 7 (54%) Grade Climbing 7 (54%) 5 (38%) 1 (7%) Road Clearance 3 (23%) 7 (54%) 3 (23%) Turning Maneuverability 2 (15%) 3 (23%) 8 (62%) Fuel Economy 4 (31%) 6 (46%) 2 (15%) 1 (7%) Range 7 (54%) 4 (31%) 2 (15%) Reliability 6 (46%) 4 (31%) 1 (7%) 2 (15%) Availability 6 (46%) 6 (46%) 1 (7%) Road Calls 8 (62%) 3 (23%) 1 (7%) 1 (7%) Other Source: Transit agency survey responses. Based on 13 fleets, because one transit agency did not have standard 40-ft buses for comparison. TABLE 28 The agencies reporting a lower spare ratio for their SPARE RATIOS FOR HIGHER CAPACITY double-deck and 45-ft buses also reported better mainte- BUS FLEETS nance and reliability experiences with their HC buses. Spare Ratio Those agencies reporting a lower spare ratio for their ar- Type of HC Bus Higher Same Lower ticulated fleets generally report the same maintenance and Articulated 19% 54% 27% reliability experiences with their articulated fleets. One Double-Deck 67% 33% agency indicated that the spare ratio depended on the par- 45-ft 8% 50% 42% ticular sub-fleet. Source: Transit agency survey responses. articulated buses, there has not been a widespread need to have a larger spare ratio than the norm. FUTURE PLANS FOR HIGHER CAPACITY BUSES The six agencies reporting a higher spare ratio for their The transit agencies provided some insight into their plans HC buses provided the following reasons: for future operations with HC buses, which are summarized in Table 29. Overall, it is clear that respondents valued Three were for BRT applications and a small number of the contribution of HC buses: 61% planned to expand their vehicles in the fleet, and existing HC fleets with more of the same type of vehicle, and Three were for reliability and maintenance needs of 35% had plans to deploy a new type of HC bus to their over- their particular HC sub-fleet. all fleet. TABLE 29 PLANS FOR FUTURE HIGHER CAPACITY OPERATIONS Have Plans Type of HC Vehicle Expansion/Deployment Yes No Unknown Articulated Double-Deck 45-ft a More of the Same Type 19 7 5 10 2 8 of HC Bus a Plans to Add a New Type 11 14 6 6 3 1 of HC Bus Source: Transit agency survey responses. a One transit agency has plans for using articulated trolleybuses.