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Master Development Plan Draft
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10/13/2008 11:28:29 AM
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10/13/2008 11:25:47 AM
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Master Development Plan Draft
General - Type
Master Development Plan Draft
Date
10/13/2008
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<br />Current Physical Conditions <br /> <br />Table 2-1 <br />Average Annual Daily Traffic Volumes <br /> <br />30,000 <br /> <br />25,000 <br /> <br />~ 20,000 <br />to <br />0 <br />; <br />~ <br />f/I 15,000 <br />Q)- <br />U <br />:c <br />(I) <br />> <br /> 10,000 <br /> 5,000 <br /> <br /> <br />level of Service <br /> <br /> <br /> <br />LOS D = Accept}l.ble <br /> <br /> <br />Source: City of <br />San Jose, CA <br /> <br /> <br />0 <br />1986 1988 1990 1994 1996 1998 2000 2003 2005 2007 Year <br />6,900 6,400 6,700 7,000 7900 9,100 10,100 10,500 9,400 9,100 <br />16,000 15,300 15,700 15,500 15,800 15,800 16,300 16,000 16,000 14,700 <br />15700 14 500 17500 17 000 20 000 19 000 24000 23000 22 400 22 400 <br />13,500 11 500 12500 12,500 12,000 12 000 14,000 13,000 11 ,800 13,100 <br /> <br />An intersection capacity analysis was conducted for the <br />existing intersections per the Highway Capacity Manual. <br />Intersections are assigned a "Level of Service" letter grade for <br />the peak hour of traffic based on the number of lanes at the <br />intersection, traffic volumes and traffic control. <br /> <br />Level of Service A (LOS A) represents light traffic flow (free <br />flow conditions) while Level of Service F (LOS F) represents <br />heavy traffic flow (over capacity conditions). LOS D is <br />considered acceptable in urban conditions. The photos on the <br />left represent some of the LOS grades (from a signal controlled <br />intersection in San Jose, CA). <br /> <br />The LOS results for the existing study hours are shown in <br />Table 3.2. These are based on the existing traffic control and <br />lane configurations as shown in Figure 3.1. The existing <br />turning movement volumes from Figure 3.2 were used in the <br />LOS calculations. The LOS calculations were done using <br />SYNCHRO™ software. Ramsey County's existing timing <br />plans were used in the analyses. The complete LOS <br />calculations are included in the Appendix. <br /> <br />7 October <br /> <br />2-18 The New Lake Johanna Boulevard <br />
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