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SR 89:133 <br /> Page 6 <br /> <br /> Table I shows the comparisons. <br /> <br /> TABLE 1 <br /> OFFICE TRIP GENERATION FACTORS 1988 <br /> <br /> RATE/i,000 SQ. FT. RATE/EMPLOYEE <br /> AM PM AM PM <br /> <br /> 1988 COUNCIL ADOPTED 2.00 2.00 N/A N/A <br /> <br />POLICY OPTION 1 <br />1988 DRIVEWAY STUDY 1.36 1.24 N/A 0.38 <br /> <br />POLICY OPTION 2 <br />1988 TSM CORRECTED 1.51 1.33 0.47 0.42 <br /> <br />POLICY OPTION 3 <br />DENSITY FACTORED RATES 1.88 1.65 0.47 0.42 <br /> <br />The Driveway Study data used to determine how many of those <br />surveyed (TSM) actually left during the pm peak indicated that 78% <br />actually left. The approximately 20% difference can be explained <br />by the aspect of 5% sickness and 5% vacation, plus 10% workers <br />leaving during this time period but from some other off site work <br />location where their business took them. The 78% seems to be a <br />reasonable number. <br /> <br />While the TSM SurVey reported 47% of Hacienda trips leaving during <br />the PM Peak, the measured value would yield only 38%. <br /> <br />If office employee working space tends to equalize around 250 sq. <br />ft. per employee, then "Trips per 1,000 sq. ft." will increase in <br />a mature market to reflect a rate based on an employee density of <br />250 sq. ft. <br /> <br />A.M. Peak <br /> <br />While no driveway studies were conducted during the AM peak <br />period, it is reasonable to assume that similar patterns of ride <br />sharing and people working the day off site would exist. It is, <br />therefore, recommended that the same factors be applied to the TSM <br />data for the AM peak period. <br /> <br />Further Evaluation of Short Ranqe Analysis <br /> <br />THE INTENT OF SHORT RANGE ANALYSIS IS TO ASSURE THAT <br />TRANSPORTATION FACILITIES WILL BE IN PLACE AT THE TIME EMPLOYEES <br />ARRIVE AT NEW EMPLOYMENT SITES AND THEREBY AVOID CONGESTION. <br /> <br /> <br />