Reply to PG is changing start and dismissal times with less than 6 months notice

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Reply to "PG is changing start and dismissal times with less than 6 months notice"

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[quote=Anonymous]From the Audit
" [b]Approximately half (50 percent in the morning and 45 percent in the afternoon) of all trips are assigned
to schools with bell times of 7:45 AM or earlier in the morning and 1:55 PM or earlier in the afternoon.[/b]
....
Given the district currently operates 2,651 trips in the morning, a perfect balance of bell times would
spread out peak demand and require 884 trips per tier in the morning. Based on the current afternoon
trip count of 2,669, perfect balance of bell times in the afternoon would require 889 trips per tier. 
This would be the optimal vehicle count no matter where the district chose to define its tiers—but in any
case would require adequate space between tiers and efficient trip pairings to achieve the ideal.
To accomplish optimal balance, 432 Tier 1 trips in the morning would need to move to Tiers 2 and 3,
with 39 additional trips in Tier 2 and 393 additional trips in Tier 3. Likewise in the afternoon, 312 trips
would need to move from Tier 1 to Tiers 2 and 3, with 260 additional Tier 2 trips and 50 additional Tier 3
trips.
Perfect alignment of bell times onto neat tiers as shown in the table (including an allowance for times
earlier than the Tier 1 bell time of 7:45 AM and later than the Tier 3 afternoon bell time of 4:00 PM)
would also create uniform spacing between candidate trip pairs to allow for more optimal pairings."[/quote]

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