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TABLE 3-3 <br />EXISTING PEAK HOUR INTERSECTION CAPACITY ANALYSIS <br />Minimum <br />Acceptable <br />Control <br />Time <br />Key Intersection <br />Jurisdiction <br />LOS <br />Type <br />Period <br />ICU/HCM <br />LOS <br />Elk Lane at <br />40 Traffic <br />AM <br />0.599 <br />A <br />1. First Street <br />Santa Ana <br />D <br />Signal <br />PM <br />0.716 <br />C <br />I-5 SB On Ramp at <br />Santa Ana/ <br />20 Traffic <br />AM <br />0.599 <br />A <br />2 <br />First Street <br />Caltrans <br />D <br />Signal <br />PM <br />0.716 <br />C <br />Cabrillo Park Drive at <br />60 Traffic <br />AM <br />0.425 <br />A <br />3. <br />Santa Ana <br />E <br />First Street <br />Signal <br />PM <br />0.584 <br />A <br />Golden Circle Drive at <br />50 Traffic <br />AM <br />0.450 <br />A <br />4. <br />First Street <br />Santa Ana <br />E <br />Signal <br />PM <br />0.544 <br />A <br />Tustin Avenue at <br />60 Traffic <br />AM <br />0.331 <br />A <br />5. <br />Tustin <br />D <br />First Street <br />Signal <br />PM <br />0.324 <br />A <br />Yorba Street at <br />50 Traffic <br />AM <br />0.396 <br />A <br /><. <br />Tustin <br />D <br />First Street <br />Signal <br />PM <br />0.418 <br />A <br />I-5 SB On Ramp/Mabury Street at <br />Santa Ana/ <br />30 Traffic <br />AM <br />0.448 <br />A <br />7 4th street <br />Caltrans <br />D <br />Signal <br />PM <br />0.526 <br />A <br />I-5 NB Ramps at <br />Santa Ana/ <br />30 Traffic <br />AM <br />0.357 <br />A <br />8 41h Street <br />Caltrans <br />D <br />Signal <br />PM <br />0.395 <br />A <br />Cabrillo Park Drive at <br />60 Traffic <br />AM <br />0.429 <br />A <br />9. <br />4t' Street <br />Santa Ana <br />E <br />Signal <br />PM <br />0.774 <br />C <br />Golden Circle Drive at <br />50 Traffic <br />AM <br />0.398 <br />A <br />10. 4�h Street <br />Santa Ana <br />E <br />Signal <br />PM <br />0.405 <br />A <br />Park Center Drive at <br />One -Way <br />AM <br />13.7 s/v <br />B <br />11. 4th Street <br />Santa Ana <br />E <br />Stop <br />PM <br />16.2 s/v <br />C <br />Tustin Avenue at <br />80 Traffic <br />AM <br />0.667 <br />B <br />12. 4th Street <br />Santa Ana <br />E <br />Signal <br />PM <br />0.738 <br />C <br />SR-55 SB Ramps at <br />Santa Ana/ <br />30 Traffic <br />AM <br />0.978 <br />E <br />13. 41h Street <br />Caltrans <br />D <br />Signal <br />PM <br />0.748 <br />C <br />SR-55 NB Ramps at <br />Tustin/ <br />30 Traffic <br />AM <br />0.670 <br />B <br />14. 4th Street <br />Caltrans <br />D <br />Signal <br />PM <br />0.689 <br />B <br />Yorba Street at <br />60 Traffic <br />AM <br />0.561 <br />A <br />15. <br />Tustin <br />D <br />4th Street <br />Signal <br />PM <br />0.605 <br />B <br />