Laserfiche WebLink
Potential Improvement Measures <br />• First Street at Cabrillo Park Drive —The intersection of First Street at Cabrillo <br />Park Drive experiences an acceptable LOS in the AM and PM peak hours. With <br />the addition of background traffic growth and traffic from the Overlay Zone the LOS is <br />expected to decline to LOS F in the PM peak hour. The recommended mitigation <br />for this intersection is restriping for a second eastbound left turn lane, by reducing the <br />eastbound through approach to two lanes. This improvement will fully mitigate traffic <br />impacts to LOS C. <br />• First Street at Elk Lane —The intersection of First Street at Elk Lane is operating at <br />LOS D in the PM peak hour. The addition of background traffic growth and traffic <br />from the Overlay Zone is expected to result in a decline in LOS to LOS F in the PM <br />peak hour. The recommended mitigation for this intersection is the construction <br />of a second northbound right turn lane and northbound right turn overlap signal phasing. <br />These improvements will fully mitigate traffic impacts to LOS C. <br />• Fourth Street at SR-55 Southbound Ramps —The intersection of Fourth Street <br />at SR-55 Southbound Ramps currently operates at LOS D or better in the AM and <br />PM peak hours. Background traffic growth and traffic from the Overlay Zone is expected <br />to result in a decline in LOS to LOS F in the AM and PM peak hours. The recommended <br />mitigation for this intersection is the construction of an eastbound free -right turn lane and <br />changing the southbound ramp configuration to two left and two right turn lanes. These <br />improvements fully mitigate impacts to LOS D. <br />• Fourth Street at Tustin Avenue —The intersection of Fourth Street at Tustin Avenue <br />currently experiences an acceptable LOS (LOS C or better) in the AM and PM peak <br />hours. The addition of background traffic growth and traffic from the Overlay Zone is <br />expected to reduce LOS to LOS F in both the AM and PM peak hours. The <br />recommended mitigation for this intersection is the construction of a westbound right - <br />turn lane, a second eastbound left -turn lane, and a northbound right -turn lane (to allow <br />conversion of the northbound shared thru-right lane to a through lane). Also, <br />northbound right -turn overlap signal phasing should be installed. These improvements <br />will partially mitigate project impacts to LOS E. As such, if the improvement measures <br />were implemented, this intersection would not be mitigated to a level of less than <br />significant. <br />• Fourth Street at Golden Circle —The intersection of Fourth Street at Golden Circle <br />currently operates at LOS A in both the AM and PM peak hours. Background traffic <br />growth and traffic from the Overlay Zone is expected to result in a decline in level of <br />service to LOS E in the PM peak hour. The recommended mitigation for this <br />intersection is the construction of an eastbound right turn lane, and a change in the <br />southbound lane configuration to provide one left turn lane and one shared through - <br />right turn lane. These improvements will fully mitigate traffic impacts to LOS D. <br />Cabrillo Town Center City of Santa Ana <br />Technical Memorandum August 2023 <br />City Council 18 — 619 10/3/2023 <br />