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2007_0820_Packet
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2007_0820_Packet
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Roseville City Council
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Council Agenda/Packets
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Debra Bloom, P.E. <br />City of Roseville <br />i YEAR 2030 CONDITIONS <br />� <br />3 <br />� <br />� <br />� <br />r <br />S <br />� <br />l� <br />]1 <br />� �, <br />1? <br />l� <br />1� <br />l� <br />l� <br />l8 <br />E� <br />�� <br />�� <br />� <br />�� <br />�3 <br />��i <br />July 18,2007 <br />Page 6 <br />In order to determine how this area will operate under future conditions, year 2030 peak hour <br />traffic volumes were developed for the key intersections along Fairvievv Avenue. Year 2030 <br />volumes were developed using data from the recently completed Twin Lakes AUAR Update. <br />Based on development assumptions contained therein, an annual growth rate of one-half percent <br />was applied to the existing peak hour turning movement volumes to develop year 2030 <br />background traffic forecasts. Adjacent land uses expected to deve�op/redevelap were then added <br />to produce the year 2030 forecast volumes. Figure 3 displays the resultant year 2030 forecast <br />traffic volumes. <br />An operations analysis was conducted for the weekday a.m., midday, and p.m. peak hours as well <br />as the Saturday midday peak hour at the key intersections along Fairview Avenue to determine <br />how the proposed Alternatives will operate under year 2030 conditions. Analysis results shown <br />in Table 3 indicate that under year 2030 peak hour conditions, all key intersections will continue <br />to operate at an acceptable overall LOS A, with existing traffic controls and geometric layout. <br />However, it is worth noting that during the weekday midday and p.m. peak hours, the west <br />approach of 4akcresi Avenue is expected to operate at LOS E(approximately 40 seconds of <br />delay). It should also be noted that as side-street delays increase, safety begins to degrade. As <br />delays increase drivers will begin to accept smaller gaps in order to enter the traffic stream and <br />make their ttxrning maneuver. <br />Table 3 <br />Year 2030 Volume Peak Hour Capacity Analysis <br />Level of Service <br />Level of Service <br />Intersection Weekday Saturday <br />A,M. Midday P.M. Midday <br />Alternative 1— E�stin Traffic Control <br />Fairview Ave/Rose Place A/� AIC AIC A/B <br />�airview A�e14a�ccrest Ave (West) AIB AI� AIE AIC <br />Fairview Ave/C�aJccrest Ave East A/B AIC AIC A/C <br />Alternative 2— S i nal at Oalce�•est — West A roach <br />Fairview Ave/Rose Place * A/B AIB A/C A/B <br />�'airview AvelOakcrest Ave West A A A A <br />Fairview AvelQakcrest Ave (East) * AIL� AIB AIC AIB <br />Alternative 3— Signals at Oakcrest — Both <br />Fairview Ave/Rose Place AIB A/B A/C A/B <br />Fairview AvelOakerest Ave (West) A A A A <br />Fairview Ave/Oakcrest Av� East A A B A <br />�� � * Indicates an intersection with side-street stop control. Overall LOS is shown followed by the worst approach LOS. <br />��i <br />�� <br />
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