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OCR for page 66
66 Runs were then sorted based on type and operator tenure tects." There were also special runs that had been created to groups. The run descriptions were unique to each system. A provide dedicated service to individuals going to and from a similar grouping of operators was also done. The tenure major medical facility, termed the Parkland Shuttle runs. groupings chosen for the analysis at both systems were the Table 6-1 shows the average productivity and total number following: of runs in the sample week for each run grouping. It also shows the number of runs performed by operators in each tenure Less than 3 months of tenure, group. For many run types, there were not enough runs for the 3 to 5 months of tenure, week to provide an adequate sample of operators in that tenure 6 to 12 months of tenure, group. For example, even though there were 40 weekday, mid- 13 to 24 months of tenure, day straight runs, there was only one run performed by an 25 to 60 months of tenure, and operator with less than 3 months experience, and only two 61+ months of tenure. runs performed by operators in the 3- to 5- and 6- to 12-month tenure groups. The average productivity achieved on all runs performed Several run groupings did, however, have enough opera- by operators in each tenure group was then calculated for tors in each tenure group to allow for a reasonable compari- each grouping of run type. son of average productivities achieved. These run groupings included the following: Productivity Results--DART, Dallas, TX Weekday AM Splits (266 runs); During the week of March 17, 2009, in Dallas, TX, a total Weekday AM Straights (457 runs); of 1,614 individual runs were performed. Vehicle operator Weekday PM Splits (330 runs); and information was successfully linked to all but one of these runs. Weekday PM Straights (264 runs). The review of the run structure for the DART system iden- tified 22 different types of runs that could have different pro- Figures 6-1 to 6-4, and the associated data tables, show the ductivity characteristics. These included weekday versus week- productivities by tenure group for each of these types of runs. end runs, morning, midday and afternoon runs, split and For the two "straight run" groups, higher productivities straight runs, and back-up runs which DART termed "pro- were generally achieved by operators with more than 2 years Table 6-1. Number of runs by type and operator tenure group, DART, Dallas, TX, March 17, 2009. Average # of Runs by Tenure Group (in Months) Total Run Description Productivity <3 3-5 5-12 13-24 25-60 61+ Runs Weekday AM Splits 1.80 26 19 31 33 83 74 266 Weekday AM Straights 1.73 29 30 16 34 33 315 457 Weekday Midday Splits 1.81 1 0 2 3 4 0 10 Weekday Midday Straights 1.66 1 2 2 0 4 31 40 Weekday PM Splits 1.90 34 32 40 45 86 93 330 Weekday PM Straights 1.67 26 37 27 38 55 81 264 Weekday Evening 1.18 5 1 3 10 0 6 25 Weekday "Protects" 1.12 3 3 8 8 9 14 45 Saturday AM Splits 1.34 3 3 3 0 0 1 10 Saturday AM Straights 1.40 6 6 5 5 3 8 33 Saturday Midday Splits 1.70 0 1 1 0 1 0 3 Saturday Midday Straights 1.67 7 3 1 3 1 1 16 Saturday PM Splits 1.52 2 3 2 0 1 1 9 Saturday PM Straights 1.64 1 0 3 1 0 1 6 Saturday Evening 1.40 3 6 1 2 0 5 17 Saturday "Protects" 1.03 1 0 2 0 0 1 4 Sunday AM Splits 1.52 4 1 0 0 1 0 6 Sunday AM Straights 1.48 9 8 3 4 4 4 32 Sunday PM Splits 1.58 2 1 0 0 0 1 4 Sunday PM Straights 1.36 3 8 0 1 0 2 14 Sunday "Protects" 1.28 1 0 1 0 1 3 6 Parkland Shuttle 1.50 1 0 5 1 3 7 17 Totals 1.69 1681 164 156 188 289 6491 1614

OCR for page 66
67 Productivity by Tenure # Runs Tenure Productivity 2.50 26 <3 1.65 19 3-5 1.77 2.00 31 6-12 1.98 Productivity 1.50 33 13-24 1.66 83 25-60 1.90 1.00 74 61+ 1.76 0.50 Total Runs: 266 0.00 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-1. Productivity by vehicle operator tenure group, weekday AM split runs, DART ADA paratransit service, March 17, 2009. Productivity by Tenure # Runs Tenure Productivity 1.76 29 <3 1.66 1.74 30 3-5 1.73 16 6-12 1.66 Productivity 1.72 34 13-24 1.72 1.70 33 25-60 1.71 1.68 315 61+ 1.74 1.66 1.64 Total Runs: 457 1.62 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-2. Productivity by vehicle operator tenure group, weekday AM straight runs, DART ADA paratransit service, March 17, 2009. Productivity by Tenure # Runs Tenure Productivity 2.05 34 <3 1.89 2.00 32 3-5 1.83 1.95 40 6-12 2.02 Productivity 1.90 45 13-24 2.00 1.85 86 25-60 2.01 1.80 93 61+ 1.80 1.75 1.70 Total Runs: 330 1.65 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-3. Productivity by vehicle operator tenure group, weekday PM split runs, DART ADA paratransit service, March 17, 2009. Productivity by Tenure # Runs Tenure Productivity 1.80 26 <3 1.57 1.75 37 3-5 1.74 1.70 27 6-12 1.46 Productivity 1.65 1.60 38 13-24 1.69 1.55 55 25-60 1.73 1.50 81 61+ 1.70 1.45 1.40 Total Runs: 264 1.35 1.30 <3 3-5 6-12 13-24 25-60 61+ Tenure in Months Figure 6-4. Productivity by vehicle operator tenure group, weekday PM straight runs, DART ADA paratransit service, March 17, 2009.