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70 Productivity by Tenure # Runs Tenure Productivity 1.60 95 <3 1.05 1.40 21 3-5 1.11 111 6-12 1.26 1.20 173 13-24 1.34 Productivity 1.00 192 25-60 1.32 0.80 106 61+ 1.26 0.60 Total Runs: 698 0.40 0.20 0.00 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-7. Productivity by vehicle operator tenure group, all weekday runs, LYNX ADA paratransit service, April 1925, 2009. performance for various tenure groups was then developed. formance decreased somewhat for operators with more than As was done in the productivity analysis, the following tenure 5 years of experience, falling to 86.84%. groups were used: On-Time Performance Results-- Less than 3 months of tenure, LYNX, Orlando, FL 3 to 5 months of tenure, 6 to 12 months of tenure, The same analysis was performed for the LYNX ADA para- 13 to 24 months of tenure, transit service in Orlando. Figure 6-9 shows on-time perform- 25 to 60 months of tenure, and ance by operator tenure group for all weekday runs. Figure 6-10 61+ months of tenure. then shows this information for the largest group of common runs--those categorized as "Weekday Medium" (or average productivity runs). On-Time Performance Results-- For all weekday runs, operators with less than 3 months DART, Dallas, TX experience were on-time for only 74.48% of all trips. Per- Figure 6-8 shows the results of this analysis for the DART formance improved to 83.60% and 82.62% for operators ADA paratransit service. As shown, on-time performance with 3 to 5 months of experience and 6 to 12 months of expe- improved significantly for operators with 3 or more months rience. On-time performance continued to improve with of experience. Operators with less than 3 months experi- experience--85.98% for operators with 13 to 24 months ence performed 83.99% of all trips on-time. Operators with of experience, 86.20% for those with 25 to 60 months of between 3 months and 5 years of experience performed experience, and 87.40% for those with more than 5 years of between 88.67% and 89.64% of trips on-time. On-time per- experience. On-Time Performance By Tenure On-Time 91.00 Tenure Performance 90.00 <3 83.99 On-Time Performance 89.00 3-5 89.64 88.00 6-12 88.67 87.00 13-24 89.11 86.00 25-60 89.25 85.00 61+ 86.84 84.00 83.00 Total Runs: 1560 82.00 81.00 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-8. On-time performance by operator tenure in months, all runs DART ADA paratransit service, March 17, 2009.