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19E - RFP - 1010 N TUSTIN AVENUE
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19E - RFP - 1010 N TUSTIN AVENUE
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Last modified
2/16/2012 8:02:45 AM
Creation date
2/16/2012 7:59:46 AM
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City Clerk
Doc Type
Agenda Packet
Agency
Planning & Building
Item #
19E
Date
2/21/2012
Destruction Year
2017
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<br /> <br /> <br /> <br /> <br /> Level of Service Descriptions <br /> <br /> Level of Description of Operation Range of V/C <br /> Service Ratios <br /> Free flow. Individual users are virtually unaffected by <br /> the presence of others in the traffic stream. Freedom <br /> to select desired speeds and to maneuver within the <br /> A traffic stream is extremely high. The general level of 0.00-0.60 <br /> comfort and convenience provided to the motorist, <br /> passenger, or pedestrian is excellent. <br /> Stable flow. The presence of other users in the traffic <br /> stream begins to be noticeable. Freedom to select <br /> desired speeds is relatively unaffected, but there is a <br /> slight decline in the freedom to maneuver within the <br /> B traffic stream from LOS A. The general level of 0.61 - 0.70 <br /> comfort and convenience provided is somewhat less <br /> than that of LOS A, because the presence of others in <br /> the traffic stream begins to affect individual behavior. <br /> Stable flow. This LOS marks the beginning of the <br /> range of flow in which the operation of individual users <br /> becomes significantly affected by interactions with <br /> others in the traffic stream. The selection of speed is <br /> C affected by the presence of others, and maneuvering 0.71 - 0.80 <br /> within the traffic stream requires substantial vigilance <br /> on the part of the user. The general level of comfort <br /> and convenience declines noticeably at this level. <br /> High density, but stable flow. Speed and freedom to <br /> maneuver are severely restricted, and the driver or <br /> pedestrian experiences a generally poor level of <br /> comfort and convenience. Small increases in traffic 0.81-0.90 <br /> flow will generally cause operational problems at this <br /> level. <br /> Operating conditions at or near the capacity level. All <br /> speeds are reduced to a low but relatively uniform <br /> value. Freedom to maneuver within the traffic stream <br /> is extremely difficult, and generally accomplished by <br /> forcing a vehicle of pedestrian to "give way" to <br /> E accommodate such maneuvers. Comfort and 0.91 -1.00 <br /> convenience levels are extremely poor, and drivers or <br /> pedestrian frustration is generally high. Operations at <br /> this level are usually unstable because small <br /> increases in flow or minor variations within the stream <br /> will cause a breakdown. <br /> Forced or breakdown flow. This condition exists <br /> wherever the amount of traffic approaching a point <br /> F exceeds the amount which can traverse that point. > 1.00 <br /> Queues form up behind such locations as arrival flow <br /> exceeds discharge flow. <br /> 12 <br /> 19E-14 <br />
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